ROHM BA7611AN, BA7611AF Datasheet

1

Multimedia ICs

Video signal switcher

BA7611AN / BA7611AF

The BA7611AN and BA7611AF are a three-channel analog multiplexers with built-in mute and a 6dB amplifier. The
ICs designed for use in video cassette recorders. It features a large dynamic range and wide operating frequency
range, and have sync-tip clamp inputs whitch are ideal for switching video signals.

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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.

3) Built-in mute.

4) Sync-tip clamp inputs.

5) Wide operating supply voltage range
(4.5V to 13.0V).

6) Low power consumption (50mW 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

1

MUTE

6dB Amp

2 3 4 5 6 7 8

LOGIC

IN1

CTLA

CTLB

IN2

GND

IN3

V

CC

VOUT

BA7611AN

1

2

3

4

8

7

6

5

IN1

CTLA

CTLB

IN2

GND

IN3

V

CC

VOUT

BA7611AF

MUTE

LOGIC

6dB

CTL - A CTL - B OUT
L (OPEN) L (OPEN) IN1
L (OPEN) H IN2

H L (OPEN) IN3
H H MUTE

2

Multimedia ICs BA7611AN / BA7611AF

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Absolute maximum ratings (Ta = 25°C)

Parameter

Symbol Limits Unit

V

CC 13.5 V

Pd 900

∗

1

(SIP8) / 550

∗

2

(SOP8) mW

Topr – 25 ~ + 75

°C

Tstg – 55 ~ + 125 °C

∗

1 Reduced by 9mW for each increase in Ta of 1°C over 25°C.

∗

2 Reduced by 5.5mW for each increase in Ta of 1°C over 25°C.

Power supply voltage
Power dissipation
Operating temperature
Storage temperature

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Equivalent circuits

100Ω

1.2µA 100µA

Vcc

IN

CLAMP INPUT

100Ω 50kΩ

20kΩ

34kΩ

Vcc

CTLa / b

Note:
Input bias current 1µA [Typ.]
Output impedance 20Ω [Typ.]

CTLa / CTLb

2mA

Vcc

OUT

OUTPUT