10-Bit, Oversampled SDTV Video Decoder
with Differential Inputs and Deinterlacer
Data Sheet
ADV7283
Rev. A Document Feedback
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Tel: 78 1.329.4700 ©20142016
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FEATURES
Worldwide NTSC/PAL/SECAM color demodulation support
One 10-bit analog-to-digital converter (ADC), 4× oversampling
per channel for CVBS, Y/C, and YPrPb modes
6 analog video input channels with on-chip antialiasing
filters
Video input support for CVBS (composite), Y/C (S-Video), and
YPrPb (component)
Fully differential, pseudo differential, and single-ended
CVBS video input support
NTSC/PAL/SECAM autodetection
Up to 4 V common-mode input range solution
Excellent common-mode noise rejection capabilities
5-line adaptive 2D comb filter and CTI video enhancement
Adaptive Digital Line Length Tracking (ADLLT), signal
processing, and enhanced FIFO management provide
time-base correction (TBC) functionality
Integrated automatic gain control (AGC) with adaptive peak
white mode
Fast switching capability
Integrated interlaced-to-progressive (I2P) video output
converter (deinterlacer)
Adaptive contrast enhancement (ACE)
Down dither (8-bit to 6-bit)
Rovi® (Macrovision) copy protection detection
8-bit ITU-R BT.656 YCrCb 4:2:2 output
Full featured vertical blanking interval (VBI) data slicer with
world system teletext (WST) support
Power-down mode available
2-wire, I2C-compatible serial interface
Qualified for automotive applications
40°C to +105°C automotive temperature grade
40°C to +85°C industrial qualified temperature grade
32-lead, 5 mm × 5 mm, RoHS-compliant LFCSP
APPLICATIONS
Automotive infotainment
Smartphone/multimedia handsets
DVRs for video security
Media players
GENERAL DESCRIPTION
The ADV7283 is a versatile one-chip, multiformat video
decoder that automatically detects standard analog baseband
video signals compatible with worldwide NTSC, PAL, and
SECAM standards in the form of composite, S-Video, and
component video.
The ADV7283 converts the analog video signals into a YCrCb
4:2:2 video data stream that is compatible with the 8-bit ITU-R
BT.656 interface standard.
The six analog video inputs of the ADV7283 can accept single-
ended, pseudo differential, and fully differential signals.
The ADV7283 contains a deinterlacer (I2P converter) that
allows the device to output video in a progressive format.
The ADV7283 is programmed via a 2-wire, serial bidirectional
port (I2C compatible) and is fabricated in a 1.8 V CMOS
process.
The ADV7283 is provided in a space-saving LFCSP surface-
mount, RoHS-compliant package.
The ADV7283 is available in an automotive grade rated over the
40°C to +105°C temperature range, as well as a 40°C to +85°C
temperature range, making the device ideal for both automotive
and industrial applications.
ADV7283 Data Sheet
Rev. A | Page 2 of 21
TABLE OF CONTENTS
Features .....................................................................................1
Applications...............................................................................1
General Description ..................................................................1
Revision History ........................................................................2
Functional Block Diagram.........................................................3
Specifications .............................................................................4
Electrical Specifications .........................................................4
Video Specifications...............................................................5
Analog Specifications.............................................................6
Clock and I2C Timing Specifications......................................6
Pixel Port Timing Specifications ............................................7
Absolute Maximum Ratings ......................................................8
Thermal Resistance ................................................................8
ESD Caution ..........................................................................8
Pin Configuration and Function Descriptions...........................9
Theory of Operation................................................................10
Analog Front End ................................................................10
Standard Definition Processor .............................................11
Power Supply Sequencing ........................................................12
Optimal Power-Up Sequence ...............................................12
Simplified Power-Up Sequence ............................................12
Power-Down Sequence........................................................ 12
DVDDIO Supply Voltage .......................................................... 12
Power Supply Requirements ................................................ 12
Input Networks........................................................................ 13
Single-Ended Input Network ............................................... 13
Differential Input Network .................................................. 13
Short-to-Battery Protection ................................................. 13
Applications Information ........................................................ 14
In put Con f ig urat ion............................................................. 14
Adaptive Contrast Enhancement ......................................... 15
I2P Function ........................................................................ 15
ITU-R BT.656 Transmitter Configuration ........................... 15
I2C Port Description ............................................................ 16
Register Maps ...................................................................... 17
PCB Layout Recommendations ........................................... 18
Typical Circuit Connection ..................................................... 20
Outline Dimensions ................................................................ 21
Ordering Guide ................................................................... 21
Automotive Products ........................................................... 21
REVISION HISTORY
10/2016—Rev. 0 to Rev. A
Changes to Ordering Guide .....................................................21
5/2014—Revision 0: Initial Version
Data Sheet ADV7283
Rev. A | Page 3 of 21
FUNCTIONAL BLOCK DIAGRAM
Figure 1.
XTALP
XTALN
A
IN
1
A
IN
2
A
IN
3
A
IN
4
A
IN
5
A
IN
6
DIFFERENTIAL
OR
SINGLE-ENDED
ANALOG VIDEO
INPUTS
AA
FILTER
AA
FILTER
AA
FILTER
AA
FILTER
DIGITAL
PROCESSING
BLOCK
2D COM B
VBI SLICER
I2P
COLOR
DEMOD
SCLK SDATA ALSB RESET PWRDWN
10-BI T ADC
REFERENCE
PLL ADL LT PROCESS ING
CLOCK PROCE S S ING BLOCK
I
2
C/CONTROL
MUX BLOCK
FIFO
OUTPUT BLOCK
ADV7283
SHA
+
ADC
LLC
INTRQ
ACE
DOWN
DITHER
12347-001
8-BIT
PIXEL DATA
P0 TO P7
NOTES
1. SHA IS A SAM P LE-AND- HOLD AM P LIF IER CI RCUIT.
ADV7283 Data Sheet
Rev. A | Page 4 of 21
SPECIFICATIONS
ELECTRICAL SPECIFICATIONS
AVDD, DVDD, and PVDD = 1.71 V to 1.89 V, DVDDIO = 1.62 V to 3.63 V, specified at operating temperature range, unless otherwise noted.
Table 1.
Parameter Symbol Test Conditions/Comments Min Ty p Max Unit
STATIC PERFORMANCE
ADC Resolution N 10 Bits
Integral Nonlinearity INL CVBS mode 2 LSB
Differential Nonlinearity DNL CVBS mode ±0.6 LSB
DIGITAL INPUTS
Input High Voltage VIH DVDDIO = 3.3 V 2 V
DVDDIO = 1.8 V 1.2 V
Input Low Voltage VIL DVDDIO = 3.3 V 0.8 V
DVDDIO = 1.8 V 0.4 V
Input Leakage Current IIN RESET pin 10 +10 µA
SDATA, SCLK pins 10 +15 µA
PWRDWN, ALSB pins 10 +50 µA
Input Capacitance CIN 10 pF
CR Y STA L I NP U T
Input High Voltage VIH XTA L N p i n 1.2 V
Input Low Voltage VIL XTA L N pin 0.4 V
DIGITAL OUTPUTS
Output High Voltage VOH DVDDIO = 3.3 V, ISOU R CE = 0.4 mA 2.4 V
DVDDIO = 1.8 V, ISOU R CE = 0.4 mA 1.4 V
Output Low Voltage VOL DVDDIO = 3.3 V, ISIN K = 3.2 mA 0.4 V
DVDDIO = 1.8 V, ISIN K = 1.6 mA 0.2 V
High Impedance Leakage Current ILEAK 10 µA
Output Capacitance COUT 20 pF
POWER REQUIREMENTS1, 2, 3
Digital I/O Power Supply DVDDIO 1.62 3.3 3.63 V
PLL Power Supply PVDD 1.71 1.8 1.89 V
Analog Power Supply AVDD 1.71 1.8 1.89 V
Digital Power Supply DVDD 1.71 1.8 1.89 V
Digital I/O Supply Current IDVDDIO 5 mA
PLL Supply Current
IPVDD 12 mA
Analog Supply Current
IAVDD
Single-Ended CVBS Input 47 mA
Differential CVBS Input
differential CVBS
69 mA
Y/C Input 60 mA
YPrPb Input 75 mA
Digital Supply Current IDVDD
Single-Ended CVBS Input 70 mA
Differential CVBS Input
differential CVBS
70 mA
Y/C Input 70 mA
YPrPb Input 70 mA
Data Sheet ADV7283
Rev. A | Page 5 of 21
Parameter Symbol Test Conditions/Comments Min Ty p Max Unit
POWER-DOWN CURRENTS1
Digital I/O Supply Power-Down
Current
IDVDDIO_PD
73 µA
PLL Supply Power-Down Current IPVDD_PD 46 µA
Analog Supply Power-Down Current IAVDD_PD 0.2 µA
Digital Supply Power-Down Current IDVDD_PD 420 µA
Total Power Dissipation in Power-
Down Mode
1 mW
1 Guaranteed by characterization.
2 Typical current consumption values are measured with nominal voltage supply levels and an SMPTE bar test pattern.
3 All specifications apply when the I2P core is activated, unless otherwise stated.
VIDEO SPECIFICATIONS
AVDD, DVDD, and PVDD = 1.71 V to 1.89 V, DVDDIO = 1.62 V to 3.63 V, specified at operating temperature range, unless otherwise noted.
Specifications guaranteed by characterization.
Table 2.
Parameter Symbol Test Conditions/Comments Min Ty p Max Unit
NONLINEAR SPECIFICATIONS1
Differential Phase DP CVBS input, modulated five-step 0.9 Degrees
Differential Gain DG CVBS input, modulated five-step 0.5 %
Luma Nonlinearity LNL CVBS input, five-step 2.0 %
NOISE SPECIFICATIONS
Signal-to-Noise Ratio (SNR),
Unweighted
SNR Luma ramp 57.1 dB
Luma flat field 58 dB
Analog Front-End Crosstalk 60 dB
Common-Mode Rejection Ratio 2 CMRR 73 dB
LOCK TIME SPECIFICATIONS
Horizontal Lock Range 5 +5 %
Vertical Lock Range
40 70 Hz
Subcarrier Lock Range
fSC ±1.3 kHz
Color Lock-In Time 60 Lines
Synchronization Depth Range 20 200 %
Color Burst Range 5 200 %
Fast Switch Speed3 100 ms
1 These specifications apply for all CVBS input types (NTSC, PAL, and SECAM), as well as for single-ended and differential CVBS inputs.
2 The CMRR of this circuit design is critically dependent on the external resistor matching on the circuit inputs (see the Input Networks section). The CMRR measurement
was performed with 0.1% tolerant resistors, a common-mode voltage of 1 V, and a common-mode frequency of 10 kHz.
3 Fast switch speed is the time required for the ADV7283 to switch from one analog input (single-ended or differential) to another, for example, switching from AIN1 to AIN2.
ADV7283 Data Sheet
Rev. A | Page 6 of 21
ANALOG SPECIFICATIONS
AVDD, DVDD, and PVDD = 1.71 V to 1.89 V, DVDDIO = 1.62 V to 3.63 V, specified at operating temperature range, unless otherwise noted.
Specifications guaranteed by characterization.
Table 3.
Parameter Test Conditions/Comments Min Ty p Max Unit
CLAMP CIRCUITRY
External Clamp Capacitor 0.1 µF
Input Impedance Clamps switched off 10
Large Clamp Source Current 0.4 mA
Large Clamp Sink Current 0.4 mA
Fine Clamp Source Current 10 µA
Fine Clamp Sink Current 10 µA
CLOCK AND I2C TIMING SPECIFICATIONS
AVDD, DVDD, and PVDD= 1.71 V to 1.89 V, DVDDIO = 1.62 V to 3.63 V, specified at operating temperature range, unless otherwise noted.
Specifications guaranteed by characterization.
Table 4.
Parameter Symbol Min Typ Max Unit
SYSTEM CLOCK AND CRYSTAL
Nominal Frequency 28.63636 MHz
Frequency Stability ±50 ppm
I2C PORT
SCLK Frequency 400 kHz
SCLK Minimum Pulse Width High t1 0.6 µs
SCLK Minimum Pulse Width Low t2 1.3 µs
Hold Time (Start Condition) t3 0.6 µs
Setup Time (Start Condition) t4 0.6 µs
SDATA Setup Time t5 100 ns
SCLK and SDATA Rise Times
t6 300 ns
SCLK and SDATA Fall Times
t7 300 ns
Setup Time (Stop Condition) t8 0.6 µs
RESET INPUT
RESET Pulse Width 5 ms
Figure 2. I2C Timing Diagram
SDATA
SCLK
t3t5t3
t4t8
t6
t7
t2
t1
12347-002
Data Sheet ADV7283
Rev. A | Page 7 of 21
PIXEL PORT TIMING SPECIFICATIONS
AVDD, DVDD, and PVDD = 1.71 V to 1.89 V, DVDDIO = 1.62 V to 3.63 V, specified at operating temperature range, unless otherwise noted.
Specifications guaranteed by characterization.
Table 5.
Parameter Symbol Test Conditions/Comments Min Ty p Max Unit
CLOCK OUTPUTS
LLC Output Frequency 27 MHz
LLC Mark Space Ratio t16:t17 45:55 55:45 % duty cycle
DATA AND CONTROL OUTPUTS
Data Output Transitional Time t18
Negative clock edge to start of valid data
(tSETU P = t17 t18)
3.8 ns
t19 End of valid data to negative clock edge
(tHOLD = t16 − t19)
6.9 ns
Figure 3. Pixel Port and Control Output Timing Diagram
OUTPUT LLC
P0 TO P7 OUTPUTS
t
16
t
17
t
18
t
19
12347-201
ADV7283 Data Sheet
Rev. A | Page 8 of 21
ABSOLUTE MAXIMUM RATINGS
Table 6.
Parameter1
Rating
AVDD to GND 2.2 V
DVDD to GND 2.2 V
PVDD to GND 2.2 V
DVDDIO to GND 4 V
PVDD to DVDD 0.9 V to +0.9 V
AVDD to DVDD 0.9 V to +0.9 V
Digital Inputs (RESET, ALSB,
SDATA, SCLK, PWRDWN)
Voltage
GND − 0.3 V to DVDDIO + 0.3 V
Digital Outputs (P7 to P0,
INTRQ, LLC) Voltage
GND − 0.3 V to DVDDIO + 0.3 V
Analog Inputs (X TA LN , A
IN
1 to
AIN6) to Ground
GND − 0.3 V to AVDD + 0.3 V
Maximum Junction Temperature
(TJ max)
140°C
Storage Temperature Range 65°C to +150°C
1 The absolute maximum ratings assume that the DGND pins and the exposed
pad of the ADV7283 are connected together to a common ground plane
(GND). This is part of the recommended layout scheme. See the PCB Layout
Recommendations section for more information. The absolute maximum
ratings are stated in relation to this common ground plane.
Stresses at or above those listed under Absolute Maximum
Ratings may cause permanent damage to the product. This is a
stress rating only; functional operation of the product at these
or any other conditions above those indicated in the operational
section of this specification is not implied. Operation beyond
the maximum operating conditions for extended periods may
affect product reliability.
THERMAL RESISTANCE
The thermal resistance values in Table 7 are specified for the
device soldered onto a 4-layer printed circuit board (PCB) with
a common ground plane (GND) and with the exposed pad of
the device connected to DGND. The values in Table 7 are
maximum values.
Table 7. Thermal Resistance for the 32-Lead LFCSP
Thermal Characteristic Symbol Value Unit
Junction to Ambient Thermal
Resistance (Still Air)
θJA 32.5 °C/W
Junction to Case Thermal
Resistance
θJC 2.3 °C/W
ESD CAUTION
Data Sheet ADV7283
Rev. A | Page 9 of 21
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Figure 4. Pin Configuration
Table 8. Pin Function Descriptions
Pin No. Mnemonic Ty p e Description
1, 4 DGND Ground
Ground for Digital Supply. The exposed pad and DGND pins must be connected together
to a common ground plane (GND).
2 DVDDIO Power Digital Input/Output Power Supply (1.8 V or 3.3 V).
3, 13 DVDD Power Digital Power Supply (1.8 V).
5 to 12 P7 to P0 Output Video Pixel Output Ports.
14 XTA L P Output Output for the External 28.63636 MHz Crystal. Connect this pin to the external
28.63636 MHz crystal, or leave it unconnected if an external 1.8 V, 28.63636 MHz clock
oscillator source is used to clock the ADV7283. The crystal used with the ADV7283 must be
a fundamental crystal.
15 XTA L N Input
Input Pin for the External 28.63636 MHz Crystal. The crystal used with the ADV7283 must
be a fundamental crystal. If an external 1.8 V, 28.63636 MHz clock oscillator source is used
to clock the ADV7283, the output of the oscillator is fed into the XTALN pin.
16 PVDD Power
PLL Power Supply (1.8 V).
17,18, 22 to
25
AIN1 to AIN6 Input Analog Video Input Channels.
19 VREFP Output Internal Voltage Reference Output.
20 VREFN Output Internal Voltage Reference Output.
21 AVDD Power Analog Power Supply (1.8 V).
26 INTRQ Output
Interrupt Request Output. An interrupt occurs when certain signals are detected on the
input video.
27 RESET Input
System Reset Input (Active Low). A minimum low reset pulse width of 5 ms is required to
reset the ADV7283 circuitry.
28 ALSB Input
Selector for the I2C Write Address. When ALSB is set to Logic 0, the write address is 0x40;
when ALSB is set to Logic 1, the write address is 0x42.
29 SDATA Input/output I2C Port Serial Data Input/Output.
30 SCLK Input I2C Port Serial Clock Input. The maximum clock rate is 400 kHz.
31 PWRDWN Input Power-Down Pin. A logic low on this pin places the ADV7283 in power-down mode.
32 LLC Output Line-Locked Output Clock for Output Pixel Data. The clock output is typically 27 MHz, but it
increases or decreases according to the video line length.
EPAD (EP)
Exposed Pad. The exposed pad and DGND pins must be connected together to a common
ground plane (GND).
12347-057
1
2
3
4
5
6
7
8
DGND
DVDDIO
DVDD
DGND
P7
P6
P5
P4
17
18
19
20
21
22
23
24
A
IN
1
A
IN
2
VREFP
VREFN
A
VDD
A
IN
3
A
IN
4
A
IN
5
PIN 1
INDICATOR
ADV7283
LFCSP
TOP VIEW
(No t t o Scale)
25
26
27
28
29
30
31
32
16
15
14
13
12
11
10
9
P
VDD
XTALN
XTALP
D
VDD
P0
P1
P2
P3
RESET
ALSB
SDATA
SCLK
PWRDWN
INTRQ
A
IN
6
LLC
NOTES
1. T HE E X P OSED P AD AND DGND PI NS M US T BE
CONNECTED T OGE THER T O A COMM ON GROUND
PLANE ( GND).
ADV7283 Data Sheet
Rev. A | Page 10 of 21
THEORY OF OPERATION
The ADV7283 is a versatile one-chip, multiformat video
decoder. The device automatically detects standard analog
baseband video signals compatible with worldwide NTSC, PAL,
and SECAM standards in the form of composite, S-Video, and
component video.
The ADV7283 converts the analog video signals into an 8-bit
YCrCb 4:2:2 video data stream that is compatible with the 8-bit
ITU-R BT.656 interface standard.
The analog video inputs of the ADV7283 accept single-ended,
pseudo differential, and fully differential composite video signals,
as well as S-Video and YPrPb video signals, supporting a wide
range of consumer and automotive video sources.
In differential CVBS mode, the ADV7283, along with an
external resistor divider, provides a common-mode input range
of up to 4 V, enabling the removal of large signal, common-mode
transients present on the video lines.
The advanced I2P function allows the ADV7283 to convert an
interlaced video input into a progressive video output. This
function is performed without the need for external memory.
The ADV7283 uses edge adaptive technology to minimize
video defects on low angle lines.
The AGC and clamp restore circuitry allow an input video
signal peak-to-peak range of 1.0 V p-p at the analog video input
pins of the ADV7283. Alternatively, the AGC and clamp restore
circuitry can be bypassed for manual settings.
The external ac coupling capacitors protect the ADV7283 from
short-to-battery (STB) events on the analog video input pins.
The ADV7283 supports a number of other functions, including
8-bit to 6-bit down dither mode and ACE.
The ADV7283 is programmed via a 2-wire, serial bidirectional
port (I2C compatible) and is fabricated in a 1.8 V CMOS
process. The monolithic CMOS construction of the ADV7283
ensures greater functionality with lower power dissipation.
The ADV7283 is provided in a space-saving LFCSP surface-
mount, RoHS-compliant package.
The ADV7283 is available in an automotive grade that is rated
over the40°C to +105°C temperature range, making the device
ideal for automotive applications.
The ADV7283 is also available in a 40°C to +85°C temperature
range, making it ideal for industrial applications.
ANALOG FRONT END
The analog front end (AFE) of the ADV7283 comprises a single
high speed, 10-bit ADC that digitizes the analog video signal
before applying it to the standard definition processor (SDP).
The AFE uses differential channels to the ADC to ensure high
performance in mixed-signal applications and to enable different ial
CVBS inputs to connect directly to the ADV7283.
The AFE also includes an input mux that enables the
application of multiple video signals to the ADV7283. The input
mux allows the application of up to six composite video signals to
the ADV7283.
Current clamps are positioned in front of the ADC to ensure
that the video signal remains within the range of the converter.
A resistor divider network is required before each analog input
channel to ensure that the input signal is kept within the range
of the ADC (see the Input Networks section). Fine clamping of
the video signal is performed downstream by digital fine
clamping within the ADV7283.
Table 9 lists the three ADC clock rates that are determined by
the video input format to be processed. These clock rates ensure
4× oversampling per channel for CVBS, Y/C, and YPrPb modes.
Table 9. ADC Clock Rates
Input Format
ADC Clock Rate
(MHz)1
Oversampling
Rate per
Channel
CVBS (Composite) 57.27
Y/C (S-Video) 114
YPrPb (Component) 172
1 Based on a 28.63636 MHz crystal between the XTALP and XTALN pins.
The fully differential AFE of the ADV7283 provides inherent
small and large signal noise rejection, improved
electromagnetic interference (EMI) protection, and the ability
to absorb ground bounce. Support is provided for both true
differential and pseudo differential signals.
Data Sheet ADV7283
Rev. A | Page 11 of 21
STANDARD DEFINITION PROCESSOR
The ADV7283 can decode a large selection of baseband video
signals in composite (both single-ended and differential),
S-Video, and component formats. The video processor supports
the following standards:
PAL B, PAL D, PAL G, PAL H, PAL I, PAL M, PAL N,
PAL Nc, PAL 60
NTSC J, NTSC M, NTSC 4.43
SECAM B, SECAM D, SECAM G, SECAM K, SECAM L
Using the SDP, the ADV7283 can automatically detect the video
standard and process it accordingly.
The ADV7283 has a five-line adaptive 2D comb filter that
provides superior chrominance and luminance separation when
decoding a composite video signal. This highly adaptive filter
automatically adjusts its processing mode according to the
video standard and signal quality without user intervention.
Video user controls such as brightness, contrast, saturation, and
hue are also available with the ADV7283.
The ADV7283 implements the patented Adaptive Digital Line
Length Tracking (ADLLT™) algorithm to track varying video line
lengths from sources such as VCRs. ADLLT enables the
ADV7283 to track and decode poor quality video sources such as
VCRs and noisy sources from tuner outputs and camcorders.
The ADV7283 contains a chroma transient improvement (CTI)
processor that sharpens the edge rate of chroma transitions,
resulting in sharper vertical transitions.
The ACE feature of the ADV7283 offers improved visual detail
using an algorithm that automatically varies contrast levels to
enhance picture detail. ACE increases the contrast in dark areas
of an image without saturating the bright areas of the image.
This feature is particularly useful in automotive applications,
where it can be important to discern objects in shaded areas.
Down dithering converts the output of the ADV7283 from an
8-bit to a 6-bit output, enabling ease of design for standard LCD
panels.
The I2P block converts the interlaced video input into a
progressive video output without the need for external memory.
The SDP can process a variety of VBI data services, such as closed
captioning (CCAP), wide screen signaling (WSS), copy generation
management systems (CGMS), and teletext data slicing for
world system teletext (WST).
The ADV7283 is fully Rovi® (Macrovision) compliant; detection
circuitry enables Type I, Ty pe II, and Type III protection levels
to be identified and reported to the user. The decoder is also
fully robust to all Rovi signal inputs.
ADV7283 Data Sheet
Rev. A | Page 12 of 21
POWER SUPPLY SEQUENCING
OPTIMAL POWER-UP SEQUENCE
The optimal power-up sequence for the ADV7283 is to first
power up the 3.3 V DVDDIO supply, followed by the 1.8 V supplies
(DVDD, PVDD, and AVDD).
When powering up the ADV7283, follow these steps (during
power-up, all supplies must adhere to the specifications listed in
the Absolute Maximum Ratings section):
1. Assert the
PWRDWN and RESET pins (pull the pins low).
2. Power up the DVDDIO supply.
3. After DVDDIO is fully asserted, power up the 1.8 V supplies.
4. After the 1.8 V supplies are fully asserted, pull
the PWRDWN pin high.
5. Wait 5 ms and then pull the RESET pin high.
6. After all power supplies and the PWRDWN and RESET
pins
are powered up and stable, wait an additional 5 ms before
initiating I2C communication with the ADV7283.
SIMPLIFIED POWER-UP SEQUENCE
Alternatively, the ADV7283 can be powered up by asserting all
supplies and the PWRDWN and RESET pins simultaneously.
After this operation, perform a software reset, then wait 10 ms
before initiating I2C communication with the ADV7283.
While the supplies are being established, ensure that a lower
rated supply does not go above a higher rated supply level.
During power-up, all supplies must adhere to the specifications
listed in the Absolute Maximum Ratings section.
POWER-DOWN SEQUENCE
The ADV7283 supplies can be deasserted simultaneously as
long as DVDDIO does not go below a lower rated supply.
DVDDIO SUPPLY VOLTAGE
Under normal operating conditions, the ADV7283 operates
with a nominal DVDDIO voltage of 3.3 V. The device can also
operate with a nominal DVDDIO voltage of 1.8 V. When operating
with a nominal voltage of 1.8 V, apply the power-up sequences
described in the Optimal Power-Up Sequence and Simplified
Power-Up Sequence sections. The only changes are that DVDDIO
is powered up to 1.8 V instead of 3.3 V, and the PWRDWN
and RESET pins of the ADV7283 are powered up to 1.8 V
instead of 3.3 V.
Note that when the ADV7283 operates with a nominal DVDDIO
voltage of 1.8 V, t h e n set the drive strength of all digital outputs
to a maximum.
Note that when DVDDIO is set to a nominal voltage of 1.8 V, no
pins can be pulled up to 3.3 V. For example, pull the I2C pins of
the ADV7283 (SCLK and SDATA) up to 1.8 V instead of
3.3 V.
POWER SUPPLY REQUIREMENTS
Table 10 shows the current rating recommendations for power
supply design. Use these values when designing a power supply
section to ensure that an adequate current is supplied to the
ADV7283.
Table 10. Current Rating Recommendations for Power
Supply Design
Current Rating
IDVDDIO 20 mA
IDVDD 110 mA
IAVDD 100 mA
IPVDD 20 mA
Figure 5. Optimal Power-Up Sequence
3.3V
1.8V
VOLTAGE
TIME3.3V SUPPLY
POWER-UP 1.8V SUPPLIES
POWER-UP
3.3V SUPPLY PWRDWN PIN
PWRDWN PIN
POWER-UP RESET PIN
POWER-UP
RESET PIN
1.8V SUPPLIES
5ms
RESET
OPERATION
5ms
WAIT
12347-005
Data Sheet ADV7283
Rev. A | Page 13 of 21
INPUT NETWORKS
An input network (external resistor and capacitor circuit) is
required on the AINx input pins of the ADV7283. The
components of the input network depend on the video format
selected for the analog input.
SINGLE-ENDED INPUT NETWORK
Figure 6 shows the input network to use on each AINx input pin
of the ADV7283 when any of the following video input formats
are used:
Single-ended CVBS
Y/C (S-Vide o)
YPrPb
Figure 6. Single-Ended Input Network
The 24 and 51 resistors supply the 75 end termination
required for the analog video input. These resistors also create a
resistor divider with a gain of 0.68. The resistor divider attenuates
the amplitude of the input analog video and scales the input to the
ADC range of the ADV7283. This allows an input range of up to
1.47 V p-p. Note that amplifiers within the ADC restore the
amplitude of the input signal so SNR performance is
maintained.
The 100 nF ac coupling capacitor removes the dc bias of the analog
input video before it is fed into the AINx pins of the ADV7283.
The clamping circuitry within the ADV7283 restores the dc bias
of the input signal to the optimal level before it is fed into the
ADC of the ADV7283.
DIFFERENTIAL INPUT NETWORK
Figure 7 shows the input network to use when differential
CVBS video is input on the AINx input pins of the ADV7283.
Figure 7. Differential Input Network
Fully differential video transmission involves transmitting two
complementary CVBS signals. Pseudo differential video
transmission involves transmitting a CVBS signal and a source
ground signal.
Differential video transmission has several key advantages over
single-ended transmission, including
Inherent small signal and large signal noise rejection
Improved EMI performance
An ability to absorb ground bounce
Resistor R1 provides the RF end termination for the differential
CVBS input lines. For a pseudo differential CVBS input, a value
of 75 Ω is recommended for R1. For a fully differential CVBS
input, a value of 150 Ω is recommended for R1.
The 1.3 kΩ and 430 Ω resistors create a resistor divider with a
gain of 0.25. The resistor divider attenuates the amplitude of the
input analog video, but increases the input common-mode range
of the ADV7283 to 4 V p-p. Note that amplifiers within the
ADC restore the amplitude of the input signal so that SNR
performance is maintained.
The 100 nF ac coupling capacitors remove the dc bias of the
analog input video before it is fed into the AINx pins of the
ADV7283. The clamping circuitry within the ADV7283 restores
the dc bias of the input signal to the optimal level before it is fed
into the ADC of the ADV7283.
The combination of the 1.3 kΩ and 430 resistors and the
100 nF ac coupling capacitors limits the current flow into the
ADV7283 during STB events (see the Short-to-Battery
Protection section).
To achieve optimal performance, the 1.3 kΩ and 430 resistors
must be closely matched; that is, all 1.3 kΩ and 430 resistors
must have the same resistance tolerance, and this tolerance must
be as low as possible.
SHORT-TO-BATTERY PROTECTION
In differential mode, the ADV7283 is protected against STB
events by the external 100 nF ac coupling capacitors (see
Figure 7). The external input network resistors are sized to be
large enough to reduce the current flow during an STB event,
but small enough to avoid affecting the operation of the
ADV7283.
The power rating of the input network resistors must be chosen
withstand the high voltages of STB events. Similarly, ensure that
the breakdown voltage of the ac coupling capacitors is robust
enough to handle STB events.
The R1 resistor is protected because no current or limited current
flows through it during an STB event.
51Ω
A
IN
3
INPUT
CONNECTOR
VIDE O INP UT
FRO M SOURCE
24Ω 100nF
EXT
ESD
12347-006
A
IN
1
A
IN
2
POSITIVE
INPUT
CONNECTOR
NEGATIVE
INPUT
CONNECTOR
VIDE O INP UT
FRO M SOURCE EXT
ESD R1
1.3kΩ 100nF
1.3kΩ 100nF
430Ω
430Ω
12347-007
ADV7283 Data Sheet
Rev. A | Page 14 of 21
APPLICATIONS INFORMATION
INPUT CONFIGURATION
The input format of the ADV7283 is specified using the
INSEL[4:0] bits (see Table 11). These bits also configure the SDP
core to process CVBS, differential CVBS, Y/C (S-Vide o ), or
component (YPrPb) format. The INSEL[4:0] bits are located in
the user sub map of the register space at Address 0x00[4:0]. For
more information about the registers, see the Register Maps
section.
The INSEL[4:0] bits specify predefined analog input routing
schemes, eliminating the need for manual mux programming
and allowing the user to route the various video signal types to
the decoder. For example, if the CVBS input is selected, the
remaining channels are powered down.
Table 11. Input Format Specified by the INSEL[4:0] Bits
INSEL[4:0] Bit Value
Video Format
Analog Inputs
00000 CVBS CVBS input on AIN1
00001 CVBS CVBS input on AIN2
00010 CVBS CVBS input on AIN3
00011 CVBS CVBS input on AIN4
00100 Reserved Reserved
00101 Reserved Reserved
00110 CVBS CVBS input on AIN5
00111 CVBS CVBS input on AIN6
01000 Y/C (S-Video) Y input on AIN1
C input on AIN2
01001 Y/C (S-Video) Y input on AIN3
C input on AIN4
01010 Reserved Reserved
01011 Y/C (S-Video)
Y input on A
IN5
C input on A
IN6
01100 YPrPb Y input on AIN1
Pb input on AIN2
Pr input on AIN3
01101 Reserved Reserved
01110 Differential CVBS Positive input on AIN1
Negative input on AIN2
01111 Differential CVBS Positive input on AIN3
Negative input on AIN4
10000 Reserved Reserved
10001 Differential CVBS Positive input on AIN5
Negative input on AIN6
10010 to 11111 Reserved Reserved
Data Sheet ADV7283
Rev. A | Page 15 of 21
ADAPTIVE CONTRAST ENHANCEMENT
The ADV7283 can increase the contrast of an image depending
on the content of the picture, making bright areas brighter and
dark areas darker. The optional ACE feature increases the
contrast within dark areas without significantly affecting the
bright areas. The ACE feature is particularly useful in
automotive applications, where it is important to discern objects
in shaded areas.
The ACE function is disabled by default. To enable the ACE
function, execute the following register writes:
1. Write 0x40 to Register 0x0E in User Sub Map (0x40 or
0x42). This enters User Sub Map 2.
2. Write 0x80 to Register 0x80 in User Sub Map 2 (0x40 or
0x42). This enables ACE.
3. Write 0x00 to Register 0x0E in User Sub Map 2 (0x40 or
0x42). This reenters User Sub Map.
To disable the ACE function, execute the following register
writes:
1. Write 0x40 to Register 0x0E in User Sub Map (0x40 or
0x42). This enters User Sub Map 2.
2. Write 0x00 to Register 0x80 in User Sub Map 2 (0x40 or
0x42). This disables ACE.
3. Write 0x00 to Register 0x0E in User Sub Map 2 (0x40 or
0x42). This reenters User Sub Map.
I2P FUNCTION
The I2P function of the ADV7283 allows the device to convert
an interlaced video input into a progressive video output. This
function is performed without the need for external memory.
The ADV7283 use edge adaptive technology to minimize video
defects on low angle lines.
The I2P function is disabled by default. To enable the I2P func-
tion, use the recommended scripts from Analog Devices, Inc.
ITU-R BT.656 TRANSMITTER CONFIGURATION
The ADV7283 receives analog video and outputs digital video
according to the ITU-R BT.656 specification. The ADV7283
outputs the ITU-R BT.656 video data stream over the P0 to P7
data pins, and has a line-locked clock (LLC) pin.
Video data is output over the P0 to P7 pins in YCrCb 4:2:2 format.
Synchronization signals are automatically embedded in the video
data signal in accordance with the ITU-R BT.656 specification.
The LLC output clocks the output data on the P0 to P7 pins at a
nominal frequency of 27 MHz.
Figure 8. ITU-R BT.656 Output Stage
P0
P1
ITU-R BT.656
DATA
STREAM
VIDEO
DECODER
ANALOG
VIDEO
INPUT
P2
P3
P4
P5
P6
P7
LLC
ADV7283
STANDARD
DEFINITION
PROCESSOR
ANALOG
FRONT
END
12347-018
ADV7283 Data Sheet
Rev. A | Page 16 of 21
I2C PORT DESCRIPTION
The ADV7283 supports a 2-wire, I2C-compatible serial
interface. Two inputs, serial data (SDATA) and serial clock
(SCLK), carry information between the ADV7283 and the
system I2C master controller. The I2C port of the ADV7283
allows the user to set up and configure the decoder and to read
back captured VBI data.
The ADV7283 has a number of possible I2C slave addresses and
subaddresses (see the Register Maps section). The main map of
the ADV7283 has four possible slave addresses for read and write
operations, depending on the logic level of the ALSB pin (see
Table 12).
Table 12. Main Map I2C Address
ALSB Pin R/W Bit Slave Address
0 0 0x40 (write)
0 1 0x41 (read)
1 0 0x42 (write)
1 1 0x43 (read)
The ALSB pin controls Bit 1 of the slave address. By changing
the logic level of the ALSB pin, it is possible to control two
ADV7283 devices in an application without using the same I2C
slave address. The LSB (Bit 0) specifies either a read or write
operation: Logic 1 corresponds to a read operation, and Logic 0
corresponds to a write operation.
To control the device on the bus, a specific protocol is followed.
1. The master initiates a data transfer by establishing a start
condition, which is defined as a high to low transition on
SDATA while SCLK remains high, and indicates that an
address/data stream follows.
2. All peripherals respond to the start condition and shift the
next eight bits (the 7-bit address plus the R/W bit). The bits
are transferred from MSB to LSB.
3. The peripheral that recognizes the transmitted address
responds by pulling the data line low during the ninth
clock pulse; this is known as an acknowledge (ACK) bit.
4. All other devices withdraw from the bus and maintain an
idle condition. In the idle condition, the device monitors
the SDATA and SCLK lines for the start condition and the
correct transmitted address.
The R/W bit determines the direction of the data. Logic 0 on the
LSB of the first byte means that the master writes information
to the peripheral. Logic 1 on the LSB of the first byte means that
the master reads information from the peripheral.
The ADV7283 acts as a standard I2C slave device on the bus.
The data on the SDATA pin is eight bits long, supporting the 7-bit
address plus the R/W bit. The device has subaddresses to enable
access to the internal registers; therefore, it interprets the first
byte as the device address and the second byte as the starting
subaddress. The subaddresses auto-increment, allowing data to
be written to or read from the starting subaddress. A data transfer
is always terminated by a stop condition. The user can also access
any unique subaddress register individually without updating
all the registers.
Stop and start conditions can be detected at any stage during the
data transfer. If these conditions are asserted out of sequence with
normal read and write operations, they cause an immediate jump
to the idle condition. During a given SCLK high period, issue
only one start condition, one stop condition, or a single stop
condition followed by a single start condition. If the user issues
an invalid subaddress, the ADV7283 does not issue an
acknowledge and returns to the idle condition.
If the highest subaddress is exceeded in auto-increment mode,
one of the following actions is taken:
In read mode, the register contents of the highest sub-
address continue to be output until the master device issues
a no acknowledge, which indicates the end of a read. A no
acknowledge condition occurs when the SDATA line is not
pulled low on the ninth pulse.
In write mode, the data for the invalid byte is not loaded into
a subaddress register. The ADV7283 issues a no
acknowledge, and the device returns to the idle condition.
Figure 9. Bus Data Transfer
Figure 10. Read and Write Sequence
SDATA
SCLK
START ADDR ACK ACK DATA ACK STOPSUBADDRESS
1–7 1–789 8 9 1–7 8 9
S P
R/W
12347-010
S
WRITE
SEQUENCE SL AV E ADDR A(S) SUBADDRESS A(S) DATA A(S) DATA A(S) P
S
READ
SEQUENCE SL AV E ADDR SLAV E ADDRA(S) SUBADDRESS A(S) S A(S) DATA A(M) DATA A(M) P
S = START BIT
P = STOP BIT A(S) = ACKNOWLEDG E BY S LAVE
A(M) = ACKNOWLEDGE BY MASTER A(S) = NO ACKNOWLEDG E BY S LAVE
A(M) = NO ACKNOW LEDG E BY M AS TER
LSB = 1LSB = 0
12347-011
Data Sheet ADV7283
Rev. A | Page 17 of 21
Figure 11. Register Map and Sub Map Access
REGISTER MAPS
The ADV7283 contains two register maps: the main register
map and the VPP register map.
Note that the main map of the ADV7283 contains three sub
maps: the user sub map, the interrupt/VDP map, and User Sub
Map 2.
Main Map
The ALSB pin sets the I2C slave address of the main map of the
ADV7283 (see Table 12). The main map allows the user to
program the I2C slave addresses of the VPP map. The main map
contains three sub maps: the user sub map, the interrupt/VDP
sub map, and User Sub Map 2. These three sub maps are accessed
by writing to the SUB_USR_EN bits (Address 0x0E[6:5]) within
the main map (see Figure 11 and Table 13).
Use r Sub Map
The user sub map contains registers that program the analog
front end and digital core of the ADV7283. The user sub map
has the same I2C slave address as the main map. To access the
user sub map, set the SUB_USR_EN bits in the main map
(Address 0x0E[6:5]) to 00.
Interrupt/VDP Sub Map
The interrupt/VDP sub map contains registers that can be used to
program internal interrupts, control the INTRQ pin, and decode
VBI data.
The interrupt/VDP sub map has the same I2C slave address as
the main map. To access the interrupt/VDP sub map, set the
SUB_USR_EN bits in the main map (Address 0x0E[6:5]) to 01.
Use r S ub M ap 2
User Sub Map 2 contains registers that control the ACE, down
dither, and fast lock functions. It also contains controls that set
the acceptable input luma and chroma limits before the
ADV7283 enters free run and color kill modes.
User Sub Map 2 has the same I2C slave address as the main map.
To access User Sub Map 2, set the SUB_USR_EN bits in the main
map (Address 0x0E[6:5]) to 10.
VPP Map
The video postprocessor (VPP) map contains registers that
control the I2P core (interlaced-to-progressive converter).
The VPP map has a programmable I2C slave address, which is
programmed using Register 0xFD in the user sub map of the
main map. The default value for the VPP map address is 0x00;
however, the VPP map cannot be accessed until the I2C slave
address is set. The recommended I2C slave address for the VPP
map is 0x84.
To set the I2C slave address of the VPP map, write to the
VPP_SLAVE_ADDRESS[7:1] bits of the user sub map (Address
0xFD[7:1]).
It is recommended to set the VPP_SLAVE_ADDRESS[7:1] bits
to a value of 0x84. This sets the VPP map I2C write address to
0x84 and the I2C read address to 0x85.
SUB_USR_EN Bits, Address 0x0E[6:5]
The ADV7283 main map contains three sub maps: the user sub
map, the interrupt/VDP sub map, and User Sub Map 2 (see
Figure 11). The user sub map is available by default. The other
two sub maps are accessed using the SUB_USR_EN bits. When
programming of the interrupt/VDP map or User Sub Map 2 is
completed, write to the SUB_USR_EN bits to return to the user
sub map.
VPP MAP
DEVICE ADDRESS
WRITE: 0x84
READ:0x85(RECOMMENDED
SETTINGS)
VPP MAP DEVICE ADDRESS IS
PROGRAMMABLEAND SET BY
REGISTER 0xFD IN THE USER
SUB MAP
MAIN MAP
DEVICE ADDRESS
ALSB PIN HIGH
WRITE: 0x42
READ:0x43
ALSB PIN LOW
WRITE: 0x40
READ:0x41
0x0E[6:5] = 00
USER
SUB MAP
0x0E[6:5] = 01
INTERRUPT/VDP
SUB MAP
0x0E[6:5] =10
USER SUB
MAP 2
12347-012
ADV7283 Data Sheet
Rev. A | Page 18 of 21
Table 13. I2C Register Map and Sub Map Addresses
ALSB Pin R/W Bit Slave Address
SUB_USR_EN Bits
(Address 0x0E[6:5]) Register Map or Sub Map
0 0 (write) 0x40 00 User sub map
0 1 (read) 0x41 00 User sub map
0 0 (write) 0x40 01 Interrupt/VDP sub map
0 1 (read) 0x41 01 Interrupt/VDP sub map
0 0 (write) 0x40 10 User Sub Map 2
0 1 (read) 0x41 10 User Sub Map 2
1 0 (write) 0x42 00 User sub map
1 1 (read) 0x43 00 User sub map
1 0 (write) 0x42 01 Interrupt/VDP sub map
1 1 (read) 0x43 01 Interrupt/VDP sub map
1 0 (write) 0x42 10 User Sub Map 2
1 1 (read) 0x43 10 User Sub Map 2
X1 0 (write) 0x84 XX1 VPP map
X1 1 (read) 0x85 XX1 VPP map
1 X and XX mean dont care .
PCB LAYOUT RECOMMENDATIONS
The ADV7283 is a high precision, high speed, mixed-signal
device. To achieve maximum performance from the device, it is
important to use a well designed PCB. This section provides
guidelines for designing a PCB for use with the ADV7283.
Analog Interface Inputs
When routing the analog interface inputs on the PCB, keep
track lengths to a minimum. Use 75 Ω trace impedances when
possible; trace impedances other than 75 increase the chance
of reflections.
Power Supply Decoupling
It is recommended that each power supply pin be decoupled
with 100 nF and 10 nF capacitors. The basic principle is to place
a decoupling capacitor within approximately 0.5 cm of each
power pin. Avoid placing the decoupling capacitors on the
opposite side of the PCB from the ADV7283 because doing so
introduces inductive vias in the path.
Place the decoupling capacitors between the power plane and
the power pin. Current must flow from the power plane to the
capacitor and then to the power pin. Do not apply the power
connection between the capacitor and the power pin. The best
approach is to place a via close to or beneath the decoupling
capacitor pads down to the power plane (see Figure 12).
Figure 12. Recommended Power Supply Decoupling
It is especially important to maintain low noise and good
stability for the PVDD pin. Pay careful attention to regulation,
filtering, and decoupling. It is highly desirable to provide
separate regulated supplies for each circuit group (AVDD, DVDD,
DVDDIO, and PVDD).
Some graphic controllers use substantially different levels of
power when active (during active picture time) and when idle
(during horizontal and vertical sync periods). This disparity can
result in a measurable change in the voltage supplied to the analog
supply regulator, which can, in turn, produce changes in the
regulated analog supply voltage. To mitigate this problem,
regulate the analog supply, or at least the PVDD supply, from a
different, cleaner power source, for example, from a 12 V supply.
Using a single ground plane for the entire board is recommended.
Using multiple ground planes can be detrimental because each
separate ground plane is smaller, and can result in long ground
loops. Therefore, using a single ground plane can improve noise
performance.
VREFN and VREFP Pins
Place the circuit associated with the VREFN and VREFP pins as
close as possible to the ADV7283 and on the same side of the
PCB as the device.
Digital Outputs
The ADV7283 digital outputs are INTRQ, LLC, and P0 to P7.
Minimize the trace length that the digital outputs must drive.
Longer traces have higher capacitance, requiring more current
and, in turn, causing more internal digital noise. Shorter traces
reduce the possibility of reflections.
Adding a 30 to 50 series resistor can suppress reflections,
reduce EMI, and reduce current spikes inside the ADV7283. If
series resistors are used, place them as close as possible to the
SUPPLY
GROUND
10nF 100nF
VIA TO SUPPLY
VIA TO GND
12347-013
NOTES
1. G ND RE FERS TO THE COM M ON GROUND PL ANE
OF THE PCB.
Data Sheet ADV7283
Rev. A | Page 19 of 21
pins of the ADV7283. However, do not add vias or extra length
to the output trace in an attempt to place the resistors closer.
If possible, limit the capacitance that each digital output must
drive to less than 15 pF. This recommendation can be easily
accommodated by keeping traces short and by connecting the
outputs to only one device. Loading the outputs with excessive
capacitance increases the current transients inside the
ADV7283, creating more digital noise on the power supplies.
Exposed Metal Pad
The ADV7283 has an exposed metal pad on the bottom of the
package. This pad must be soldered to ground. The exposed
pad is used for proper heat dissipation, noise suppression, and
mechanical strength.
Digital Inputs
The digital inputs of the ADV7283 are designed to work with
1.8 V signals (3.3 V for DVDDIO) and are not tolerant of 5 V
signals. Extra components are required if 5 V logic signals must
be applied to the decoder.
ADV7283 Data Sheet
Rev. A | Page 20 of 21
TYPICAL CIRCUIT CONNECTION
Figure 13 provides an example of how to connect ADV7283. For detailed schematics of the ADV7283 evaluation board, contact a local
Analog Devices field applications engineer or an Analog Devices distributor.
Figure 13. Typical Connection Diagram
12347-203
SCLK
30
SCLK
RESET
27
RESET
PWRDWN
31
PWRDWN
SDATA
29
SDATA
LLC 32 LLC
INTRQ 26 INTRQ
P0 12 P0
P1 11 P1
P2 10 P2
P3 9P3
P4 8P4
P5 7P5
P6 6P6
P7 5P7
P0 TO P7
28.63636MHz
47pF
47pF
XTALP
14
XTALN
15
0.1µF
VREFP
19
VREFN
20
ALSB
28
4kΩ
DGND
1
DGND
4
16
2
13
3
21
0.1µF 10nF
0.1µF 10nF
0.1µF 10nF
0.1µF 10nF
0.1µF10nF
ADV7283
17
18
A
IN
1
A
IN
2
23
24
A
IN
4
A
IN
5
D
VDD
_1.8V D
VDDIO
_3.3V A
VDD
_1.8V
D
VDDIO
_3.3V
D
VDD
_1.8V
A
VDD
_1.8V
P
VDD
_1.8V
YCrCb
8-BIT
IT U-R BT. 65 6 DATA
D
VDDIO
ALSB TI E D HIGH: I
2
C ADDRESS = 0x 4 2
ALSB TI E D LOW: I
2
C ADDRESS = 0x 4 0
P
VDD
A
VDD
D
VDD
D
VDD
D
VDDIO
LO CATE CL OSE TO, AND ON THE
SAME S IDE O F T HE PCB AS, THE ADV7 2 83
LO CATE V REFP AND VREF N CAPACITO R AS
CLO SE AS P OSSI BLE TO THE ADV7 28 3 AND ON
THE SAM E SIDE O F THE PCB AS T HE ADV7 2 83
22
25
0.1µF
0.1µF
430Ω
150Ω
430Ω
0.1µF
0.1µF
430Ω
75Ω
430Ω
A
IN
1
A
IN
2
A
IN
3
A
IN
4
FULLY
DIFFERENTIAL
CVBS I NPUT
PSEUDO
DIFFERENTIAL
CVBS I NPUT
1.3kΩ
1.3kΩ
1.3kΩ
1.3kΩ
DIFF1+
DIFF1–
DIFF2+
DIFF2–
0.1µF
51Ω
A
IN
5
24kΩ
SINGLE-
ENDED
CVBS
INPUT
0.1µF
51Ω
A
IN
6
24kΩ
SINGLE-
ENDED
CVBS
INPUT A
IN
3
A
IN
6
A
IN
1
A
IN
2
A
IN
4
A
IN
5
A
IN
3
A
IN
6
Data Sheet ADV7283
Rev. A | Page 21 of 21
OUTLINE DIMENSIONS
Figure 14. 32-Lead Lead Frame Chip Scale Package [LFCSP_WQ]
5 mm × 5 mm Body, Very Very Thin Quad
(CP-32-12)
Dimensions shown in millimeters
ORDERING GUIDE
Model 1, 2 Temperature Range Package Description Package Option
ADV7283BCPZ 40°C to +85°C 32-Lead Lead Frame Chip Scale Package [LFCSP_WQ] CP-32-12
ADV7283BCPZ-RL 40°C to +85°C 32-Lead Lead Frame Chip Scale Package [LFCSP_WQ] CP-32-12
ADV7283WBCPZ 40°C to +105°C 32-Lead Lead Frame Chip Scale Package [LFCSP_WQ] CP-32-12
ADV7283WBCPZ-RL 40°C to +105°C 32-Lead Lead Frame Chip Scale Package [LFCSP_WQ] CP-32-12
EVA L -ADV7283EBZ Evaluation Board for the ADV7283
1 Z = RoHS Compliant Part.
2 W = Qualified for Automotive Applications.
AUTOMOTIVE PRODUCTS
The ADV7283W model is available with controlled manufacturing to support the quality and reliability requirements of automotive
applications. Note that this automotive model may have specifications that differ from the commercial models; therefore, designers should
review the Specifications section of this data sheet carefully. Only the automotive grade products shown are available for use in automotive
applications. Contact your local Analog Devices account representative for specific product ordering information and to obtain the specific
Automotive Reliability reports for this model.
I2C refers to a communications protocol originally developed by Philips Semiconductors (now NXP Semiconductors).
0.50
0.40
0.30
01-26-2016-B
1
0.50
BSC
BOTTOM VIEWTOP VIEW
PIN 1
INDICATOR
32
9
16
17
2425
8
EXPOSED
PAD
PIN 1
INDICATOR
SEATING
PLANE
0.05 M AX
0.02 NO M
0.20 REF
COPLANARITY
0.08
0.30
0.25
0.18
5.10
5.00 SQ
4.90
0.80
0.75
0.70
FOR PROP E R CONNECT ION OF
THE EXPOSED PAD, REFER TO
THE PIN CONFIGURATION AND
FUNCTIO N DE S CRIPT IONS
SECTION OF THIS DATA SHEET.
0.25 M IN
3.75
3.60 SQ
3.55
COM P LIANT TO JE DE C S TANDARDS MO-220-WHHD-5.
PKG-004570
©2014–2016 Analog Devices, Inc. Al l rights reserved. Trademar ks and
registered trademark s are the property of their respective owners.
D12347-0-10/16(A)