I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS S1D2500A01
1
I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER
The S1D2500A01 is a very high frequency video ampli-
fier system with I2C Bus control used in Monitors with
high resolution up to1280 × 1024.
It contains 3 matched R/G/B video Amplifiers with OSD
interface and provides flexible interfacing to I2C Bus
controlled adjustment systems.
FUNCTIONS
•R/G/B Video Amplifier
•OSD Interface
•I2C BUS Control
•Contrast/OSD Contrast
•Brightness Control
•Cut-Off Brightness Control
•R/G/B SUB Contrast/Cut-Off Control
•Blank/Clamp Gate
•Half tone
•Brightness Uniformity
FEATURES
•3 - Channel R/G/B Video Amplifier, 150MHz @f-3dB
•I2C Bus Control Items
- Contrast Control
- SUB Contrast Control For Each Channel
- Brightness Control
- OSD Contrast Control
- Cut-off Brightness Control
- Cut-off Control For Each Channel
- Switch Registers for SBLK and Video Half Tone and
Cut-Off INT/EXT
•SUB Contrast Control Range: -11dB
•Capable of 7.0Vpp Output Swing Range
•Video/OSD High Speed Switch
28-DIP-600A
ORDERING INFORMATION
Device Package Operating Temperature
S1D2500A01-D0B0 28-DIP-600A -20 °C — +75 °C
•Clamp Gate With Anti OSD Sagging
•B/U (Brightness Uniformity) Interface
•Video Input Clamp, BRT Clamp
•Video & OSD Half Tone Function on OSD
Picture
(OSD Raster Selection by HS1, 2: 4 colors)
•OSD Interface, OSD BLK
•ABL
•TTL R/G/B OSD Inputs, 80MHz bandwidth
•Contrast Control Range: -38dB
•OSD Contrast Control Range: -38dB
S1D2500A01 I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS
2
BLOCK DIAGRAM
RCT
RCLP
ROUT
RIN
VCC1
GIN
GND1
B/U
VI/OSD_SW
BLK
BOUT
GND3
BCT
BCLP
GCLP
VCC3
9
3
2
1
6
5
28
8
7
23
17
27
26
21
22
10
18
CLP
15
25
20
GCT
SDA
ABL
4
14
12
24
VCC2
BOSD
GOSD
ROSD
ONE (RED)
OF THREE CHANNELS
19
13
gm1
SUB
CONTRAST
OSD
INTERFACE OSD
RASTER
VIDEO
HALF-TONE
HALF-TONE
OSD
CONTRAST
VIDEO
CONTRAST
gm2
+
VIDEO
OSD
SWITCH
BLK
CLP
CLP
A1
A2
A3
INTERFACE & CONTROL
BLANK
GATE
B/U
INTERFACE
VIDEO/OSD
SWITCH
CLAMP
GATE
VIDEO
HALF-TONE
OSD RASTER
SELECT
+ +
CLP BLK
Cut Off
I
2
C BUS CONTROL
VIDEO-HALF TONE SWITCH
D1(0AH)
OSD RASTER COLOR
D6:7(0AH)
SOFT BLANK
D0(0AH)
CONTRAST CONTRAL (00H)
OSD CONT CONTROL (05H)
R/G/B DRIVE CONTROL (02/03/04H)
BRIGHTNESS CONTROL (01H)
R/G/B CUT OFF CONTROL (07/08/09H)
CUT OFF EXT OFFSET D3:5 (0AH)
CUT OFF INT/EXT SWITCH(0AH)
CUT OFF BRIGHT (06H)
BIN
SCL11
GND(L)
16
GOUT
+
I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS S1D2500A01
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PIN CONFIGURATION
Table 1. Pin Configuration
Pin No Symbol I/O Configuration
1ROSD IRed OSD Input
2GOSD IGreen OSD Input
3BOSD IBlue OSD Input
4VI/OSD_SW IVideo or OSD Switch
5RIN IRed Video Input
6VCC1 -VCC (normal)
7GND1 -Ground1 (normal)
8GIN IGreen Video Input
9VCC2 -VCC (normal)
RCT
RCLP
ROUT
RIN
VCC1
GIN
GND1
VI/OSD_SW
BOUT
GND3
BCT
BCLP
GCLP
VCC3
9
3
2
1
6
5
8
7
23
17
27
26
21
22
10
15
25
20
GCT
SDA
ABL
4
14
12
24
VCC2
BOSD
GOSD
ROSD
13
BIN
SCL
11 GND(L)
16
GOUT
B/U
BLK
28
18
CLP
19
S1D2500A
S1D2500A01 I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS
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10 BIN IBlue Video Input
11 GND (L) -Ground2 (logic)
12 ABL -Automatic Beam Limit
13 SCL I/O Serial Clock
14 SDA I/O Serial Data
15 BCT IBlue Cut Off Control
16 GCT IGreen Cut Off Control
17 RCT IRed Cut Off Control
18 CLP IClamp Gate Signal Input
19 BLK IBlank Gate Signal Input
20 BCLP -Blue Clamp Cap
21 BOUT OBlue Video Output
22 GND3 -Ground3 (drive part)
23 VCC3 -VCC (drive part)
24 GOUT OGreen Video Output
25 GCLP -Green Clamp Cap
26 ROUT ORed Video Output
27 RCLP -Red Clamp Cap
28 B/U IBrightness Uniformity
Table 1. Pin Configuration
Pin No Symbol I/O Configuration
I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS S1D2500A01
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PIN DESCRIPTION
Table 2. Pin Description
Pin No Pin Name Schematic Description
1
2
3
Red OSD Input
(ROSD)
Green OSD Input
(GOSD)
Blue OSD Input
(BOSD)
OSD input signals are in TTL
level and will be connected to
ground when switching to
video input
4Video/OSD Switch
(VI/OSD_SW)
Video/OSD switch signal is
TTL level
PIN4 = “high”, OSD input
PIN4 = “Low”, video input
5
8
10
Red Video Input
(RIN)
Green Video Input
(GIN)
Blue Video Input
(BIN)
MAX input video signal is
0.7 Vpp
6
9
VCC1
VCC2
-Supply voltage
(except drive part)
VCC
PIN 1
1.29/
1.02V 1.16/
0.90V
VCC
6V
PIN 4
PIN 5
VCC
S1D2500A01 I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS
6
7
11
GND1
GND2 (GND (L) ) -Ground (analogue)
Ground (logic)
15
16
17
Blue Cut-Off
(BCT)
Green Cut-Off
(GCT)
Red Cut-Off
(RCT)
Cut-Off Control Output
18 Clamp Gate Input
(CLP) Video amp active when clamp
gate signal is in low TTL level.
Clamp gate Min. pulse width
: 0.2us, at fh: 50KHz
19 Blank Gate Input
(BLK) Video amp blanks video signal
when blank gate signal is in
low TTL level.
Table 2. Pin Description (Continued)
Pin No Pin Name Schematic Description
PIN 17
0~180uA 0~540uA 80uA 160uA 320uA
Cut-OffCut-Off
BRT Cut-Off
Offset
5.1V
PIN 18
VCC
PIN 19
7V VCC
I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS S1D2500A01
7
26
24
21
Red Video Output
(ROUT)
Green Video Output
(GOUT)
Blue Video Output
(BOUT)
Video signal output
20
25
27
Blue Clamp Cap
(BCLP)
Green Clamp Cap
(GCLP)
Red Clamp Cap
(RCLP)
Brightness control activated
by charging and discharging of
the external cap. (0.1µF)
(During low clamp gate)
22 GND3 -Ground (drive part)
23 VCC3 -Supply voltage (drive part)
13
14 SCL
SDA Serial clock input port of I2C
BUS
Serial data input port of I2C
BUS
Table 2. Pin Description (Continued)
Pin No Pin Name Schematic Description
VCC
PIN 26
PIN 27
PIN 13
3.22V
54uA 27uA
S1D2500A01 I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS
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28 B/U Input (B/U) Parabola input via AC coupling
cap
12 ABL Input (ABL) Automatic beam limitation
input
(Control Range: 0.5 — 4.5V)
Table 2. Pin Description (Continued)
Pin No Pin Name Schematic Description
VCC
4.6V
100uA
PIN 28
VCC
PIN 12
I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS S1D2500A01
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ABSOLUTE MAXIMUM RATING (TA = 25
°
C) (1)
THERMAL & ESD PARAMETER
ELECTRICAL CHARACTERISTICS
DC Electrical Characteristics
Ta = 25 °C, VCC1 = VCC2 = VCC3 = 12V; V4 = 0V; unless otherwise stated
Table 3. Absolute Maximum Rating
No Item Symbol Value Unit
Min Typ Max
1Maximum Supply Voltage VCC1/2/3/VDD - - 13.2 V
2Operating Temperature (2) Topr -20 -75 °C
3Storage Temperature Tstg -65 -150 °C
4Operating Supply Voltage Vccop 11.4 12.0 12.6 V (3)
5Power Dissipation PD- - 2.0 W
Table 4. Thermal & ESD Parameter
No Item Symbol Value Unit
Min Typ Max
1Thermal Resistance
(Junction-ambient) θja -46 -°C/W
2Junction Temperature Tj -150 -°C
3Human Body Mode
(C = 100p, R = 1.5k) HBM 2- - KV
4Machine Model
(C = 200p, R = 0) MM 300 - - V
5Charge Device Model CDM 800 - - V
Table 5. DC Electrical Characteristics
Parameter Symbol Min Typ Max Unit
Supply Current ICC(4) 85 110 135 mA
Clamp Gate Low Input Voltage V151 0.8 1.5 3.0 V
Clamp Gate High Input Voltage V15h 0.8 1.5 2.0 V
S1D2500A01 I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS
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Clamp Gate Low Input Current I15l -5.0 -2.0 -µA
Clamp Gate High Input Current I15h -0.01 1.0 µA
Blank Gate Low Input Voltage V16l 0.8 1.5 3.0 V
Blank Gate High Input Voltage V16h 0.8 1.5 2.0 V
Blank Gate Low Input Current I16l -5.0 -2.0 -µA
Blank Gate High Input Current I16h -0.01 1.0 µA
Video Input bias Voltage Vbias 1.6 1.9 2.2 V
Output Clamp Cap Charge Current Iclamp+ 0.45 0.75 1.10 mA
Output Clamp Cap Discharge Current Iclamp- -1.10 -0.75 -0.45 mA
Video Output Low Voltage VOL -100 200 mV
Video Output High Voltage VOH 6.2 7.5 9.0 V
Video Black Level Output Voltage (POR) VOBL 1.9 2.2 2.5 V
Video ∆Black Level Output Voltage ∆VOBL(5) -0.3 -0.3 V
Video Output Blanked Voltage VOB -0.1 0.2 V
Contrast/Drive Control Input Current losd, ldirve
lcon -0.25 1uA
Spot Killer Voltage Vspot 9.2 10.4 11.2 V
Table 5. DC Electrical Characteristics (Continued)
Parameter Symbol Min Typ Max Unit
I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS S1D2500A01
11
AC Electrical Characteristics
Ta = 25 °C, VCC1 = VCC2 = VCC3 = 12V; V4 = 0V.
Vin = 0.56Vpp Manually adjust Video Output pins 21, 24 and 26 to 4V DC for the AC test (11) unless otherwise
stated(12)
OSD Electrical Characteristics
Ta = 25 °C, VCC1 = VCC2 = VCC3 = 12V; V19 = 4V; V12 = V28 = 0V;
V1 = V2 = V3 = 4V; V4 = 4V; unless otherwise stated
Table 6. AC Electrical Characteristics
Parameter Symbol Min Typ Max Unit
Video Amplifier Gain AV max 15.5 17.5 19.5 dB
Contrast Attenuation 1 Avc1 -4.5 -6.0 -7.5 dB
Contrast Attenuation 2 Avc2 --38 -35 dB
Drive Attenuation1 Avd1 -3 -4 -5 dB
Drive Attenuation 2 Avd2 -11 -8 -5 dB
Absolute Gain Match AV match(6) -1 -1dB
Gain Change between Amplifiers AV track(7) -1 -1dB
Video Amplifier Distortion THD -1 5 %
Video Amp Bandwidth (7,8) f (-3dB) 130 150 -MHz
Video Output Rise Time (7) tr (Video) -2.3 2.8 ns
Video Output Fall Time (7) tf (Video) -3.2 4.0 ns
Video Amplifier 10kHz Isolation Viso_10K(9) --65 -45 dB
Video Amplifier 10MHz Isolation Viso_10M(7,9) --50 -35 dB
Blank Output Rise Time (7) tr (Blank) -6 15 ns
Blank Output Fall Time (7) tf (Blank) -10 30 ns
End of Blanking Propagation Delay tr-prop (Blank) -23 50 ns
Start of Blanking Propagation Delay tf-prop (Blank) -20 45 ns
Table 7. OSD Electrical Characteristics
Parameter Symbol Min Typ Max Unit
OSD Input Low Input Voltage VOSDI 0.4 1.3 3.0 V
S1D2500A01 I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS
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OSD Input High Input Voltage VOSDh 0.4 0.8 1.2 V
OSD Select Low Input Voltage V4I 0.8 1.6 3.0 V
OSD Select High Input Voltage V4h 0.8 1.6 2.0 V
OSD Select Low Input Current I4I -10 -5 -µA
OSD Select High Input Current I4h 70 100 130 µA
OSD Output Black Level VBLV-OSD -0.1 0.2 V
OSD Output Voltage VOSD 2.6 3.6 4.6 VPP
OSD Output Vpp Attenuation VOSD_ATT 30 50 70 %
Output Match between Channels VOSD -7 -7%
Video to OSD Switch Time (7) tr (OSD S) -4 10 ns
OSD to Video Switch Time (7) tf (OSD S) -11 20 ns
Video to OSD Propagation Delay tr-pr (OSD S) -11 25 ns
OSD to Video Propagation Delay tf-pr (OSD S) -12 25 ns
OSD Rising Time tr (OSD) -4 8 ns
OSD Falling Time tf (OSD) -5 10 ns
OSD Rising Propagation Delay tr_pr (OSD) -7 15 ns
OSD Falling Propagation Delay tf_pr (OSD) -9 20 ns
Video/OSD 10kHz Isolation Iiso10K (OSD) --60 -40 dB
Video/OSD 10MHz Isolation Iiso10M (OSD) --50 -35 dB
Table 7. OSD Electrical Characteristics (Continued)
Parameter Symbol Min Typ Max Unit
I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS S1D2500A01
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I2C BUS Recommended Operating Conditions
I2C BUS Timing Requirement
Table 8. I2C BUS Recommended Operating Conditions
Parameter Symbol Min Typ Max Unit
Input High Level Voltage VinH 3.0 - - V
Input Low Level Voltage VinL - - 1.5 V
SCL Clock Frequency fSCL - - 200 kHz
Hold Time Before a new transmission can start tBUF 1.3 - - uS
Hold Time for Start Condition tHDS 0.6 - - uS
Set-up Time for Stop Conditions tSUP 0.6 - - uS
The Low Period of SCL tLOW 1.3 - - uS
The High Period of SCL tHIGH 0.6 - - uS
Hold Time Data tHDAT 0.3 - - uS
Set-up Time Data tSUPDAT 0.25 - - uS
Rise Time of SCL tR- - 1.0 uS
Fall Time of SCL tF- - 3.0 uS
tBUF
SDA
SCL
tHDS tSUPDAT
tHIGH
tSUP
tHDAT
tLOW
S1D2500A01 I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS
14
NOTES:
1. Absolute Maximum Rating Indicates the limit beyond which damage to the device may occur.
2. Operating Ratings indicate conditions for which the device is functional but do not guarantee specific performance limits.
For guaranteed specifications and test conditions, See the Electrical Characteristics. The guaranteed specifications apply
only for the test conditions listed. Some performance characteristics may degrade when the device is not operated under
the listed test conditions.
3. VCC supply pins 6, 9, and 23 must be externally wired together to prevent internal damage during VCC power on/off
cycles.
4. The supply current specified is the quiescent current for VCC1/VCC2 and VCC3 with RL =
∞
. The supply current
for VCC3 (pin 23) also depends on the output load.
5. Output voltage is dependent on load resistor. Test circuit uses RL = 390Ω
6. Measure gain difference between any two amplifiers Vin = 560mVpp.
7. When measuring video amplifier bandwidth or pulse rise and fall times, a double sided full ground plane printed circuit
board without socket is recommended. Video amplifier 10MHz isolation test also requires this printed circuit board.
The reason for a double sided full ground plane PCB is that large measurement variations occur in single sided PCBs.
8. Adjust input frequency from 10MHz (AV max reference level) to the-3dB frequency (f -3dB).
9. Measure output levels of the other two undriven amplifiers relative to the driven amplifier to determine channel separation.
Terminate the undriven amplifier inputs to simulate generator loading. Repeat test at fin = 10MHz for Iso_10MHz.
10. A minimum pulse width of 200 ns is guaranteed for a horizontal line of 15kHz. This limit is guaranteed by design. if a lower
line rate is used a longer clamp pulse may be required.
11. During the AC test the 4V DC level is the center voltage of the AC output signal. For example. if the output is 4Vpp the
signal will swing between 2V DC and 6V DC.
12. These parameters are not tested on each product which is controlled by an internal qualification procedure.
I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS S1D2500A01
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FUNCTIONAL DESCRIPTION
Contrast (OSD Contrast Adjustment) (8-bits)
The contrast adjustment is made by controlling simultaneously the gain of three internal variable gain amplifiers
through the I2C bus interface.
The contrast adjustment allows you to cover a typical range of 38dB.
Brightness Adjustment (8-bits)
The brightness adjustment controls to add the same black level (pedestal) to the 3-channel/R/G/B signals after
contrast amplifier by I2C BUS.
Cut-Off Brightness Adjustments (8-bits)
The Cut-Off Brightness adjustment is made by simultaneously controlling the external cut-off current.
Cut-Off (SUB Contrast) Adjustment (8-bits
×
3)
These adjustments are used to adjust the white balance, and the gain of each channel is controlled by I2C BUS.
The SUB contrast adjustment allows you to cover a typical range of 11dB.
OSD Inputs
The S1D2500A01 includes all the circuitry necessary to mix OSD signals into the R/G/B video signal.
You need 4 pins for this function. (R/G/B OSD, OSD blanking)
Serial Interface
The 2-wires serial interface is an I2C BUS interface.
The slave address of the S1D2500A01 is DC (hexadecimal)
Data Transfer
All bytes are sent MSB (Most Significant Bit) bit first and the write data transfer is closed by a stop.
The MCU can write data into the S1D2500A01 registers. To do that, after a start, the MCU must send:
- The I2C address slave byte with a low level for R/W bit (bit1)
- The byte of the interinal register address where the MCU wants to write data (SUB Address)
- The data
- Stop
Bit8 Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1
1 1 0 1 1 1 0 0 (W)
S1D2500A01 I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS
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I2C BUS Write Operation
Register Description
Register Sub Address (Slave address: DCH)
HT: Video & OSD Half Tone ctrl switch (1: ON, 0: OFF)
HS2/HS1: OSD Raster Color Switch for Video Half Tone (HT = 1)
CT: Cut-off Control INT/EXT (0:INT/1: EXT) select switch (DC/AC mode)
CS1/CS2/CS3/: 80/160/320uA Cut-Off ctrl EXT offset current Switch (CT = 1)
SBLK: Soft Blanking switch (1: ON, 0: OFF)
Sub Address
(Hex) Register Names DAC bits Int. value (Hex)
00 Contrast control 8 bits 80
01 Brightness control (3-ch) 8 bits 80
02 SUB Contrast control (R) 8 bits 80
03 SUB Contrast control (G) 8 bits 80
04 SUB Contrast control (B) 8 bits 80
05 OSD Contrast control 8 bits 80
06 Cut-off Brightness control 8 bits 80
07 Cut-off control (R) 8 bits 80
08 Cut-off control (G) 8 bits 80
09 Cut-off control (B) 8 bits 80
0A HS2 l HS1 l CS3 l CS2 l CS1 l CT l HT l SBLK 20
HS2 HS1 OSDR OSDG OSDB Half Tone
0
0
1
1
0
1
0
1
0
0
0
0
0
1
0
1
0
0
1
1
Black
Green
Blue
Cyan
MSB LSB
SCL
SDA
transter
START Slave address ACK Register address ACK Data byte ACK STOP
I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS S1D2500A01
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Contrast Register (SUB ADRS: 00H) (Vin = 0.56Vpp, bright: 40H, subcont: FFH)
Brightness Register (3-ch) (SUB ADRS: 01H) (cont: 40H, subcont: FFH)
SUB Contrast Register (R/G/B-ch) (SUB ADRS: 02/03/04H)
(Vin=0.56Vpp, bright: 40H, cont: FFH)
OSD Contrast Register (SUB ADRS: 05H) (VOSD = TTL, bright: 40H, subcont: FFH)
Hex B7 B6 B5 B4 B3 B2 B1 B0 Contrast (Vpp) Gain (dB) Int. value (Hex)
0000000000 0 -30.0
8010000000 1.12 11.5 O
FF 11111111 4.2 17.5
Increment/bit 0.0164
Hex B7 B6 B5 B4 B3 B2 B1 B0 Brightness (Vpp) Int. value (Hex)
0000000000 0
8010000000 2 O
FF 11111111 4
Increment/bit 0.0156
Hex B7 B6 B5 B4 B3 B2 B1 B0 SUB Contrast
(Vpp) Gain
(dB) Int. value
(Hex)
0000000000 1.33 7.5
8010000000 2.65 13.5 O
FF 11111111 4.2 17.5
Increment/bit 0.0123
Hex B7 B6 B5 B4 B3 B2 B1 B0 OSD Contrast
(Vpp) Gain
(dB) Int. value
(Hex)
0000000000 0 -
8010000000 3.7 -O
FF 11111111 3.5 -
Increment/bit 0.0289
S1D2500A01 I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS
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Cut-Off Brightness Register (3-ch) (SUB ADRS: 06H)
Cut-Off Register (R/G/B-ch) (SUB ADRS: 07/08/09H)
(cont = 80H, subcont: FFH, INT: CT=0, EXT: CT=1)
Hex B7 B6 B5 B4 B3 B2 B1 B0 Cut-Off Brightness (µA) Int. value (Hex)
0000000000 0
8010000000 75 O
FF 11111111 150
Increment/bit 0.588
Hex B7 B6 B5 B4 B3 B2 B1 B0 Cut-Off INT (V) Cut-Off
EXT(µA) Int. value
(Hex)
0000000000 -0.5 0
80 1 0 0 0 0 0 0 0 0 250 O
FF 11111111 0.5 500
Increment/bit 3.9mV 1.96
I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS S1D2500A01
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APPLICATION BOARD CIRCUIT
+
10uF
33
0.1uF
+
100uF
75
5V
1
2
3
4
0.1uF
390
B/U 28
ROUT 26
GCLP 25
GOUT 24
GND3 22
BOUT 21
BCLP 20
BLK 19
VCC3 23
RCT 17
BCT 15
CLP 18
GCT 16
SCL
13
ROSD
1
GOSD
2
BOSD
3
VI/OSD_SW
4
RIN
5
VCC1
6
GND1
7
GIN
8
VCC2
9
BIN
10
GND(L)
11
ABL
12
SDA
14
RCLP 27
KA2500
0.1uF +
100uF
100
100
SCLK
SCL
SDA
BAV21
12V
75K
75V
2.2K
5V
2K
ROSD In
33
GOSD In
33
BOSD In
33
VI/OSD SW In
33
Red In
+
10uF
75
33
Green In
+
10uF
75
33
Blue In
0.1uF
+
100uF
0.1uF
+
47uF
100
ABL In
100
100
2K
2
3
4
5
6
7
14
13
12
11
10
9
8
174HCT125
SDAT
ACK
SCL
SDA
+
100uF 0.1uF
VCC=12V
Vin
1
GND
2
Vout 3
KA78T05 5V
BU In
0.1uF
Red Out
390
0.1uF
Green Out
390
Blue Out
0.1uF
100 CLP In
BLK In
KSP92
KSP42
75K
100
BAV21
12V
75K
75V
2.2K
KSP92
KSP42
75K
100
BAV21
12V
75K
75V
2.2K
KSP92
KSP42
75K
100
12V
5V
+
1uF
100V
+
1uF
100V
+
1uF
100V +
0.47uF
50V
+0.47uF
50V
+
0.47uF
50V
S1D2500A
S1D2500A01 I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS
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APPLICATION CIRCUIT
+
10uF
+
100uF 0.1uF
75
+
100uF 0.1uF
0.1uF
+
100uF
390
33
R In
100
100
0.1uF
+
10uF
75
33
+
47uF 0.1uF
100
100
100
G In
B In
ABL
SCL
SDA
CLP
BLK
12V
VCC
GND
GOUT
GND
ROUT
RIN
VEE
GIN
BIN
GND BOUT
390
390
0.1uF
0.1uF
0.1uF
+
100uF
27
0.1uF
+
100uF
0.1uF
27 0.1uF
27 0.1uF
75K
2.2K
KSP92
KSP42
75K
+
1uF
100V +0.47uF
50V
BAV21
75K
2.2K
KSP92
KSP42
75K
+
1uF
100V +
0.47uF
50V
BAV21
75K
2.2K
KSP92
KSP42
75K
+
1uF
100V +
0.47uF
50V
To Cathode
100
100
B Out
G Out
R Out
BAV21
B/U 28
ROUT 26
GCLP 25
GOUT 24
GND3 22
BOUT 21
BCLP 20
BLK 19
VCC3 23
RCT 17
BCT 15
CLP 18
GCT 16
SCL
13
ROSD
1
GOSD
2
BOSD
3
VI/OSD_SW
4
RIN
5
VCC1
6
GND1
7
GIN
8
VCC2
9
BIN
10
GND(L)
11
ABL
12
SDA
14
RCLP 27
KA2500
33
33
33
33
R OSD
G OSD
B OSD
OSD SW
+
10uF75 33
0.1uF
BU
100
VCC=12V
75V
75V
75V
75V
12V
12V
12V
S1D2500A
I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS S1D2500A01
21
CHARACTERISTICS CURVE
Brightness (01H)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0 10 20 30 40 50 60 70 80 90 A0 B0 C0 D0 E0 F0
Data
Vout [V]
18mV/bit
Cut-off (07/08/09H): 80H
Cut-Off Brightness Control (06H)
0
20
40
60
80
100
120
140
160
180
200
0 10 20 30 40 50 60 70 80 90 A0 B0 C0 D0 E0 F0
Data
Iout [uA]
SW (0AH) : 04
0.7uA/bit
S1D2500A01 I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS
22
Int. Cut-Off Control (07/08/09H)
1.5
1.7
1.9
2.1
2.3
2.5
2.7
0 10 20 30 40 50 60 70 80 90 A0 B0 C0 D0 E0 F0
Data
Vout [V]
4.6mV/bit
Bright (01H): 80H
Ext. Cut-Off Control (07/08/09H)
0
100
200
300
400
500
600
0 10 20 30 40 50 60 70 80 90 A0 B0 C0 D0 E0 F0
Data
Iout [uA]
2.14uA/bit
Cut-Off BRT (06H): 00H
I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS S1D2500A01
23
Vin = 560mVpp
Contrast Control (00H)
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
0 10 20 30 40 50 60 70 80 90 A0 B0 C0 D0 E0 F0
Data
Vout [Vpp]
18.36mVpp/Bit
Contrast Control (00H)
-50
-40
-30
-20
-10
0
10
20
30
0 10 20 30 40 50 60 70 80 90 A0 B0 C0 D0 E0 F0
Data
Vout [dB]
Drive (02/03/04H): FF
S1D2500A01 I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS
24
Vin = 560mVpp, Contrast (00H): FFH
Drive Control (02/03/04H)
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
0 10 20 30 40 50 60 70 80 90 A0 B0 C0 D0 E0 F0
Data
Vout [Vpp]
12mVpp/Bit
Drive Control (02/03/04H)
6.00
8.00
10.00
12.00
14.00
16.00
18.00
20.00
0 10 20 30 40 50 60 70 80 90 A0 B0 C0 D0 E0 F0
Data
Vout [Vpp]
Contrast (00H): FFH
I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS S1D2500A01
25
Drive (02/03/04H): FFH
OSD Contrast Control (05H)
0
1
2
3
4
5
6
7
8
0 10 20 30 40 50 60 70 80 90 A0 B0 C0 D0 E0 F0
Data
Vout [Vpp]
28.6mV/bit
OSD Contrast Control (05H)
-50
-40
-30
-20
-10
0
10
20
30
0 10 20 30 40 50 60 70 80 90 A0 B0 C0 D0 E0 F0
Data
Vout [dB]
Drive (02/03/04H): FFH
S1D2500A01 I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS
26
f-3dB (Video Preamp)
-13
-12
-11
-10
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
2
1 25 50 75 100 125 150 175 200 225 250 275 300 325 350
f[MHz]
Vout [dB]
-12
-10
-8
-6
-4
-2
0
00.5 11.5 22.5 33.5 44.5
VABL [V]
Vout [dB]
I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS S1D2500A01
27
BU Characteristic
0
5
10
15
20
25
00.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
VBU [Vpp]
Modulation Rat [%]
