1
Multimedia ICs
Video signal switcher
BA7602 / BA7602F
The BA7602 and BA7602F are switching ICs developed for use in VCRs. Each contains three two-channel analog
multiplexers. They feature a large dynamic range, and wide operating frequency range, and are suitable for switching
audio and video signals.
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Applications
Video cassette recorders and televisions
•
Features
1) Three 2-input / 1-output switches.
2) 5V power supply.
3) Low power consumption (70mW Typ.).
4) Excellent frequency characteristics
(10MHz, 0dB Typ.).
5) Wide dynamic range (3.1V
P-P Typ.).
6) High input impedance (20kΩ Typ.).
7) Fast switching speed (50ns Typ.).
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Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol Unit
V
CC
9V
mV
Topr °C
Tstg – 55 ~ + 125 °C
500
∗
– 40 ~ + 85
Limits
Pd
Power supply voltage
Power dissipation
Operating temperature
Storage temperature
∗
Reduced by 5.0mW for each increase in Ta of 1°C over 25°C.
1IN2a
2CTLa
3OUTa
4GND
5OUTb
6OUTc
7CTLc
8IN2c
16 IN1a
15 GND
14 IN2b
13 VCC
12 CTLb
11 IN1b
10 GND
9IN1c
Sa
Sb
Sc
CTL Output
LIN2
HIN1
2
Multimedia ICs BA7602 / BA7602F
•
Equivalent circuits
Sa, Sb, Sc
R3
8.4k
R4
200
R6
20k
R5
33k
R8
25k
I1
0.6mA
I2
0.3mA
I3
0.5mA
I4
0.6mA
I5
1mA
R7
100
R10
100
R11
100
R13
100
R14
100
R9
200
R12
200
R16
200
R15
200
R2
9.4k
R1
1k
Q4
Q5
Q6
Q7 Q8 Q10 Q11
Q12
Q9
Q3
Q2
Q1
OUT
V
CC
IN
R3
400
R4
400
R5
25k
R2
200
Q3
22
Q1
Q5
Q6
Q2 Q4
CTL
R6
25k
R1
50k
V
CC
I2
0.6mA
I1
0.25mA
I3
0.06mA
CTL