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TDA8440 Datasheet Switch for CTV receivers

Manufacturer: NXP Semiconductors

Overview: INTEGRATED CIRCUITS DATA SHEET TDA8440 Switch for CTV receivers Product specification File under Integrated Circuits, IC02 November 1985 Philips Semiconductors Product specification Switch for CTV receivers TDA8440.

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General Description

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).

The integrated circuit can be used in conjunction with a microcontroller from the MAB8400 family, and is controlled via a bidirectional I2C bus.

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

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