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Multimedia ICs
Video signal switcher
BA7612N / BA7612F
The BA7612N and BA7613F are three-channel analog multiplexers with built-in mute, 6dB amplifier and 75W driver.
The ICs designed for use in video cassette recorders, and feature a large dynamic range and wide operating fre-
quency range. All inputs are terminated with 20kW (Typ.) input impedance.
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Applications
Video cassette recorders and televisions
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Features
1) 3-input / 1-output switches.
2) Built-in 6dB amplifier and 75W driver.
3) Built-in mute.
4) Large input impedance (20kW Typ.).
5) Wide operating supply voltage range
(4.5V ~ 13.0V BA7612N)
(4.5V ~ 9.5V BA7613F).
6) Low power dissipation (103mW Typ.).
7) Excellent frequency characteristics
(10MHz, 0dB Typ.).
8) Wide dynamic range (3.5VP-P Typ.).
9) Low interchannel crosstalk
( – 65dB Typ., f = 4.43MHz).
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Block diagram
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Truth table
MUTE
12345678
CTLA CTLB
IN2
GND
IN3
LOGIC
IN1
V
OUT
V
CC
6dB Amp 75W Driver
BA7612N
1
2
3
4
8
7
6
5
IN1
CTLA
CTLB
IN2 GND
IN3
VCC
VOUT
BA7612F
MUTE
LOGIC
75W6dB
OUT
IN1
H IN2
H IN3
H H MUTE
L (OPEN)
L (OPEN)
L (OPEN)
L (OPEN)
CTL A CTL B