ROHM BA7612N, BA7612F Datasheet
1
Multimedia ICs
Video signal switcher
BA7612N / BA7612F
The BA7612N and BA7613F are three-channel analog multiplexers with built-in mute, 6dB amplifier and 75Ω driver.
The ICs designed for use in video cassette recorders, and feature a large dynamic range and wide operating frequency range. All inputs are terminated with 20kΩ (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 75Ω driver.
3) Built-in mute.
4) Large input impedance (20kΩ 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 (3.5V
P-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
VCC
6dB Amp 75Ω Driver
BA7612N
1
2
3
4
8
7
6
5
IN1
CTLA
CTLB
IN2
GND
IN3
V
CC
VOUT
BA7612F
MUTE
LOGIC
75Ω6dB
OUT
IN1
H IN2
H IN3
H H MUTE
L (OPEN)
L (OPEN)
L (OPEN)
L (OPEN)
CTL A CTL B
2
Multimedia ICs BA7612N / BA7612F
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Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol Limits Unit
∗
1
13.5 /
∗
2
10.0 V
mW
Topr
°C
Tstg °C
Pd
V
CC
∗
1
900
∗
3
/
∗
2
550
∗
4
– 25 ~ + 75
– 55 ~ + 125
Power supply voltage
Power dissipation
Operating temperature
Storage temperature
∗
1 BA7612N
∗
2 BA7612F
∗
3 Reduced by 9mW for each increase in Ta of 1°C over 25°C.
∗
4 Reduced by 5.5mW for each increase in Ta of 1°C over 25°C.
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Electrical characteristics (unless otherwise noted, Ta = 25°C and VCC = 5V)
Parameter Symbol Min. Typ. Max. Unit Conditions
V
CC 4.5 — 13.0 V
I
CC — 20.5 29.0 mA
3.0 3.5 — V
P-P f = 1kHz, THD = 0.5%
BA7612F is Max.9.5V
G
V dB
C
T —– 65 — dB
C
f – 3.0 0 dB
14 20 26 k
Ω
V
TH-A 1.0 2.0 3.0 V
V
TH-B 1.0 2.0 3.0 V
5.5 6.0 6.5
1.0
V
om
ZIN
f = 4.43MHz, VIN = 1.0VP-P
f = 1MHz, VIN = 1.0VP-P
f = 10MHz / 1MHz, VIN = 1.0VP-P
Operating voltage range
Supply current
Maximum output level
Voltage gain
Interchannel crosstalk
Frequency characteristic
Input impedance
CTL pin switching level A
CTL pin switching level B
䊊Not designed for radiation resistance.
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