TDA8440 - Switch for CTV receivers
The TDA8440 is a versatile video/audio switch, intended to be used in CTV receivers equipped with an AUXILIARY VIDEO/AUDIO plug.
It provides two 3-state switches for audio channels and one 3-state switch for the video channel and a video amplifier with selectable gain (times 1 or times 2).
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TDA8440 Features
* Combined analogue and digital circuitry gives maximum flexibility in channel switching
* 3-state switches for all channels
* Selectable gain for the video channels
* Sub-addressing facility
* I2C bus or non-I2C bus mode (controlled by d.c. voltages)