TDA8440
Overview
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).
- 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)
- Slave receiver in the I2C bus mode
- External OFF command
- System expansion possible up to 7 devices (14 sources)
- Static short-circuit proof outputs
