BH7634AS - Rohm

BH7634AS Audio / video switch for CANAL - Plus decoder

Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Pin name VDECIN DRVGND VTUNIN DRVVCC VEXTIN GND ADECIN FSCOUT AEXTIN AUXCTL1 ATUNIN AUXCTL2 SDA SCL ADECOUT AVTROUT AEXTOUT AVTRIN VCC VDECOUT VVPSOUT VVTROUT VEXTOUT VVTRIN Function Composite video signal input (sink chip clamp). The driver ground. Not internally connected to the ground.

Features

• 1) I C BUS control. 2 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 13.5 1200
  – 25 ~ + 60
  – 55 ~ + 125 Unit V mW °C °C ∗ Reduce by 12mW for each increase in Ta of 1°C over 25°C.
•Recommended operating conditions (Ta = 25°C) Parameter Operating.