Rev.1.0, Sep.22.2003, page 1 of 13
M51326P
Analog switch REJ03F0079-0100Z
Rev.1.0
Sep.22.2003
Description
The M51326P is a semiconductor integrated circuit for use as an analog switch in image-handling equipment. The IC
incorporates two audio switches, one with two and one with three inputs, and one video switch with two inputs. Each
switch is independently controllable.
Features
• Built-in analog switches for use with video signals and stereo audio signals
• Wide video-switch bandwidth: DC to 10 MHz
• Good crosstalk characteristics (for video): 55 dB (typ.) @5 MHz
Applications
• Video equipment
Recommended operating condition
• Power-supply-voltage range: 5 to 14 V
• Rated power-supply vo ltage: 9 V, 12 V
Block diagram
1
SOUND (1) INPUTS
S
Gv = 0 dB
1
14
2
15
3
16
1
SOUND (1)
OUTPUT
1
SOUND (2) INPUTS
S
2
10 9
2
8
SOUND (2)
OUTPUT
6
SOUND (1)
CONTROL
INPUT
13
SOUND (2)
CONTROL
INPUT
1
VIDEO INPUTS
S
3
V
CC
5 3
2
12
VIDEO
OUTPUT
4
2
DECOUPLING
11
GND
7
VIDEO
CONTROL
INPUT
Gv = 0 dB Gv = 0 dB
M51326P
Rev.1.0, Sep.22.2003, page 2 of 13
Pin Configuration
16 3
2
1
SOUND (2)
CONTROL INPUT
SOUND (1)
INPUTS
SOUND (2)
INPUTS
VIDEO OUTPUT
DECOUPLING
1
2
SOUND (1) OUTPUT
Package 16P4
VCC
VIDEO INPUT2
VIDEO CONTROL INPUT
VIDEO INPUT1
SOUND (1)
CONTROL INPUT
GND
SOUND (2) OUTPUT
M51326P
15
14
13
12
11
10
98
7
6
5
4
3
2
1
Absolute maximum ratings
(unless otherwise noted, Ta = 25°C, Vcc = 12 V)
Symbol Item Ratings Unit
Vcc Power-supply voltage 14 V
VIS Input signal voltage 6 V
VIC Input control voltage Vcc V
Pd Power dissipation 1.25 W
KθThermal derating 1.25 mW / °C
Topr Ambient operating temperature –20 to +75 °C
Tstg Storage temperature –40 to +125 °C
Electrical characteristics
(unless otherwise noted, Ta = 25°C, Vcc = 12 V)
LimitsSymbol Item Measured condition Min. Typ. Max. Unit
Icc Circuit current – 28 36 mA
VIDC Input bias voltage 3.8 4.2 4.6 V
VODC Output bias voltage 3.0 3.6 4.2 V
∆VODC Output DC offset voltage – 15 100 mV
VICH For audio (1) (pin 6 tri - state input) 7.0 8.0 9.0 V
VICL For audio (1) (pin 6 tri - state input) 3.0 4.0 5.0 V
VIC
Control-pin threshold
voltage For audio (2) and images (pins 4, 13) 1.7 2.1 2.5 V
Gv Voltage gain f = 1 kHz, –0.5 –0.1 – dB
THD Total harmonic distortion For audio, f = 1 kHz, Vo = 1 Vrms – 0.02 0.2 %
For audio, Rg = 600 Ω, bandwidth = 15 kHz – 3 50 µVrmsVNOutput noise voltage
For video, Rg = 75 Ω, bandwidth = 10 MHz – 0.5 1.0 mVrms
f = 1 kHz (for audio) 65 80 –CT Crosstalk f = 5 MHz (for video) 45 50 – dB
M51326P
Rev.1.0, Sep.22.2003, page 3 of 13
Switching mode
1
6
14
15
16
1
2S
1
3
1
2SOUND (1) INPUT
SOUND (2) INPUT
3
8
10 1
S
2
1
92
2
VIDEO INPUT
SOUND (2) OUTPU
T
SOUND (1)
CONTROL INPUT
VIDEO
CONTROL
INPUT
SOUND (2)
CONTROL
INPUT
SOUND (2) OUTPU
T
VIDEO
OUTPUT
12
51
S
3
1
3
4 13
2
2
Gv = 0 dB
Gv = 0 dB
Gv = 0 dB
Selection of switch settings
Switch numb erControl input* S1S2S3
H111
M 2 (Note) (Note)
L322
Note: connect to Vcc or GND
Control input voltage (pin 6)
VccControl input 9 V 12 V
H 7.2 to 9 V 9.2 to 12 V
M 4.2 to 4.8 V 5.2 to 6.8 V
L 0 to 1.8 V 0 to 2.8 V
Control input voltage (pins 4, 13)
VccControl input 9 V 12 V
H 2.7 to 9 V 2.7 to 12 V
L 0 to 1.5 V 0 to 1.5 V
M51326P
Rev.1.0, Sep.22.2003, page 4 of 13
Measurement circuit
(unless otherwise noted, Ta = 25°C, Vcc = 12 V)
Measurement circuit for circuit current ICC, input bias voltage VIDC, output bi as v olta ge VODC
M51326P
1
16
2
15
3
14
4
13
5
12
6
11
7
10
V
16
V
1
V
3
V
5
V
8
8
9
V
V
15
V
V
14
V
V
12
V
V
10
V
V
9
V
VVVV
mA
I
CC
V
CC
12V
Measurement circuit output DC - offset voltage
M51326P
1
16
2
15
3
14
4
13
5
12
6
11
7
10
V
1
V
8
8
9
V
12
V
V
V
V
CC
12V
1
2
1
2
SW
2
1
2
SW
1
SW
3
∆ V
ODC
=V
max-
V
min
Video : DC voltages on V12 are measured while switch 1 is at setting 2 and switch 2 is at setting 2, before and after
switch 3 is turned to setting 1 or 2.
Sound (1): DC voltages on V1 are measured whi le switch 2 is at setting 2 and switch 3 is at setting 2, and switch 3 is
turned to setting 1, 2, or 3.
Sound (2): DC voltages on V8 are measured whi le switch 1 is at setting 2 and switch 3 is at setting 2, before and after
switch 2 is turned from to setting 1or 2.
M51326P
Rev.1.0, Sep.22.2003, page 5 of 13
Measurement circuit for control - pin threshold - vol tage values
M51326P
1
16
2
15
3
14
4
13
5
12
6
11
7
10
V
O1
8
9
V
O12
V
V
IN
V
V
V
CC
=12V
V
IN
f=1kHz
f=1kHz
V
IN
f=1kHz
V
4
V
6
V
O8
V
13
1µ
1µ
1µ1µ
1µ1µ1µ
10µ
10µ
0.1µ
0.1µ
Units Resistance : Ω
Capacitance : F
M51326P
Rev.1.0, Sep.22.2003, page 6 of 13
Sound (1) measuring the control-pin threshold-voltage value:
Firstly, DC voltage V6 is increased from 3 V to 5 V. Here, we take VICL as the V6 value at which the AC
component in the output waveform from pin 1 is turned off. Then, DC voltage V6 is increased from 7 V to 9 V.
Here, we take VICH as the V6 value at which the AC component in the output waveform from pin 1 is turned on
.
ON ON
OFF
V
ICL
V
ICH
V
AC components
AC output waveform
DC volta
g
e
Pin 1
6
Sound (2) measuring the control-pin threshold-value voltage:
DC voltage V13 is increased from 1 V to 3 V. Here, we take the V13 value at which the AC component in the
output waveform from pin 8 is turned on as VIC.
DC volta
g
e
AC output waveform
AC components
Pin 8
OFF ON
V
13
V
IC
Measuring the image control pin th reshol d val ue v olt age:
DC voltage V4 is increased from 1 V to 3 V. This time, we take the V14 value at which the AC component in
the output waveform from pin 12 is turned on as VIC.
DC voltage
AC output waveform
Pin 12
AC components
OFF ON
V
4
V
IC
M51326P
Rev.1.0, Sep.22.2003, page 7 of 13
Measurement circuit for crosstalk and total harmonic distortion rate (switches for audio)
M51326P
1
16
2
15
3
14
4
13
5
12
6
11
7
10
V
O
, THD
8
9
V
CC
=12V
600
1kHz
Vin=1Vrms
1µ
1µ1µ1µ1µ
1µ
1µ
1µ1µ
10µ
10µ
0.1µ
0.1µ
V
O
, THD
Units Resistance : Ω
Capacitance : F
1
2
3
S
1
S
4
1
2
3
600
600
600
600
S
2
S
3
1
2
SG 1kHz
Vin=1Vrms
SG
V
V
Relation between the switch states and the monitor output
Switch state
S1S2Pin 1 output
11Vos, THD
2,3 Voc
22Vos,THD
1,3 Voc
33Vos,THD
1,2 Voc
Switch state
S3S4Pin 8 output
1V
OC
12V
OC
1V
OC
22V
OC, THD
Crosstalk: CT = 20log (Vos/Voc) (dB)
Voltage gain: GV = 20log (Vos/Vin) (dB)
M51326P
Rev.1.0, Sep.22.2003, page 8 of 13
Measurement circuit for crosstalk and voltage gain (video switch)
M51326P
1
16
2
15
3
14
4
13
5
12
6
11
7
10
8
9
VCC=12V
Units Resistance : Ω
Capacitance : F
S
1µ
1µ1µ
1µ1µ1µ1µ
1µ
10µ
10µ
0.1µ
0.1µ
2
75 75
S1
VO
1
2
1kHz
Vin=1Vrms
SG
V
Switch state
S1 S2 Pin 12 output
1Vos12Voc
1Voc2
2Vos
Crosstalk: CT = 20log (Vos/Voc) (dB)
Voltage gain: GV = 20log (Vos/Vin) (dB)
M51326P
Rev.1.0, Sep.22.2003, page 9 of 13
Measurement circuit for output noise voltage
M51326P
1
16
2
15
3
14
4
13
5
12
6
11
7
10
8
9
VN12
V
600
600
600
600
600
1µ
1µ
1µ
1µ
0.1µ
0.1µ
10µ
10µ
1µ1µ1µ
1µ
1µ
1µ
7575
VCC=12V
LPF2
VN8
Units Resistance
LPF1: Band 15 kHz
LPF2: Band 10 MHz
: Ω
Capacitance : F
V
LPF1
VN1
V
LPF1
M51326P
Rev.1.0, Sep.22.2003, page 10 of 13
Characteristic curves
(unless otherwise noted, Ta = 25°C)
0
0.4
0
0.8
1.2
2.0
Thermal derating curve (maximum rating)
Ambient temperature Ta (°C)
Allowable power dissipation Pd (W)
Circuit current vs. power-supply voltage
Power-supply voltage Vcc (Vrms)
Circuit current Icc (mA)
Voltage gain vs. frequency (audio)
Frequency f (Hz)
Voltage gain Gv (dB)
Total harmonic distortion rate vs.
output voltage (audio)
Output voltage Vo (Vrms)
Total harmonic distortion rate THD (%)
Frequency f (Hz)
Total harmonic distortion rate THD (%)
Input DC voltage vs. output DC voltage (audio)
Total harmonic distortion rate vs.
frequency (audio)
Input DC voltage V
IN DC
(V)
Output DC voltage V
ODC
(V)
1.6
25 50 75 100 125 5
0
20
40
80
60
7.5 10 12.5 15
14
100
-5
5
0
3 5 7 1k 3 5 7 10k 3 5 7100k 0.001
1.0
7
5
3
0.1
7
5
3
0.01
7
5
3
0.01 3 5 7 0.1 3 5 7 1.0 3 5 7 10
0.001
1.0
7
5
3
0.1
7
5
3
0.01
7
5
3
100 3 5 7 1k 3 5 7 10k 3 5 7 100k 0
2
0
4
6
10
8
246810
Vcc=12V
C
IN
-1µF
Vo=1Vrms
Vcc=9V
Vcc=12V
f=1kHz
M51326P
Rev.1.0, Sep.22.2003, page 11 of 13
100k
-5
5
0
3 5 7 1k 3 5 7 1M 3 5 710M 0.01
10
7
5
3
1
7
5
3
0.1
7
5
3
0.01 3 5 7 0.1 3 5 7 1 3 5 7 10
100
0.1
100
7
5
3
10
7
5
3
1
7
5
3
3 5 7 1k 3 5 7 10k 3 5 7100
k
10k
50
40
60
70
90
80
3 5 7100k 3 5 7 1M 3 5 710M
1k
60
50
70
80
100
90
3 5 710k 3 5 7100k 3 5 7 1M
Between
(14) and (16)
Between
(14) and (15),
(15) and (16)
Crosstalk vs. frequency (audio)
Frequency f (Hz)
Crosstalk CF (dB)
Output noise voltage vs.
signal source resistance (audio)
Signal source resistance Rg (Ω)
Output noise voltage V
N
(µVrms)
Voltage gain vs. frequency (video)
Frequency f (Hz)
Voltage gain Gv (dB)
Total harmonic distortion vs.
output voltage (audio)
Output voltage Vo (Vrms)
Total harmonic distortion rate THD (%)
Frequency f (Hz)
Crosstalk CT (dB)
Crosstalk vs. frequency (video)
Pin No. is
audio (1)
Between
(3) and (5)
f=10kHz
M51326P
Rev.1.0, Sep.22.2003, page 12 of 13
Application Example
V
CC
8
M51326P
1
2
3
4
5
6
7
16
15
14
13
12
11
10
9
3
1
2
Units Resistance : Ω
Capacitance : F
SOUND (1)
OUTPUT
SOUND (1)
INPUT
VIDEO
INPUT
VIDEO OUTPUT
SOUND (2)
OUTPUT
75
1
2
75
2
3
1
1
2
SOUND (1)
INPUT
S10µ0.1µ
10µ
10µ
1µ
10µ
10µ
1µ
1µ
1µ
1µ
1
2
1S
2
Precautions on usage
Both the video and audio outputs are emitter follower. Accordingly, when the external wiring is long or a cap acitive
load is added, add a resistor with a value of the tens of ohms order in series near the position of th e output pin.
M51326P
Rev.1.0, Sep.22.2003, page 13 of 13
Package Dimension
DIP16-P-300-2.54
Weight(g)
−
JEDEC Code
1.0
EIAJ Package Code Lead Material
Alloy 42/Cu Alloy
16P4 Plastic 16pin 300mil DIP
Symbol Min Nom Max
A
A
2
b
b
1
b
2
c
E
D
L
Dimension in Millimeters
A
1
0.51 −
−−
−
−
−
−
−
−
−
−−
3.3
0.4 0.5 0.59
1.4 1.5 1.8
0.9 1.0 1.3
0.22 0.27 0.34
18.8 19.0 19.2
6.15 6.3 6.45
2.5
7.62
3.0
0°−15°
4.5
e
e
1
16
9
81
E
c
e
1
D
A
2
A
1
b
2
b
b
1
e
LA
SEATING PLANE
MMP
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