BH7634AS datasheet(1/12 Pages) ROHM

Part #	BH7634AS

Description	Audio / video switch for CANAL - Plus decoder

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Manufacturer	ROHM [Rohm]

Direct Link	http://www.rohm.com

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Multimedia ICs

Audio / video switch for CANAL - Plus

decoder

BH7634AS

The BH7634AS is one-chip IC that contains audio and video switches that support 21-pin SECAM and PAL connec-

tors.

The I2C BUS for switch control simplifies applications, while the two expansion ports allow up to two external inputs.

•Applications

VCRs

•Features

1) I2C BUS control.

2) Video input is sync tip clamped, and includes a

small-capacity (0.022

µF) input capacitor.

3) Three FSCOUT values.

4) Two expansion ports.

5) Audio mute function.

6) 75

Ω driver output (pins 20 and 23) requires no

attached capacitor.

•Absolute maximum ratings (Ta = 25°C)

Power supply voltage

Power dissipation

Operating temperature

Storage temperature

∗ Reduce by 12mW for each increase in Ta of 1°C over 25°C.

Parameter

Symbol

Limits

Unit

VCC

13.5

V

Pd

1200

mW

Topr

– 25 ~ + 60

°C

Tstg

– 55 ~ + 125

°C

•Recommended operating conditions (Ta = 25°C)

Parameter

VCC

8.5

13

V

12

Symbol

Min.

Typ.

Max.

Unit

Operating power supply voltage

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