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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 connectors. The I2C BUS for switch control simplifies applications, while the two expansion ports allow up to two external inputs.
Applications • VCRs
Features • 1) I C BUS control.
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2) Video input is sync tip clamped, and includes a small-capacity (0.022µF) 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)
Parameter Power supply voltage Power dissipation Operating temperature Storage temperature Symbol VCC Pd Topr Tstg Limits 13.