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TDA8440 - Switch for CTV receivers

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).

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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Datasheet preview – TDA8440

Datasheet Details

Part number TDA8440
Manufacturer NXP
File Size 74.47 KB
Description Switch for CTV receivers
Datasheet download datasheet TDA8440 Datasheet
Additional preview pages of the TDA8440 datasheet.

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Full PDF Text Transcription

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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 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. Sufficient sub-addressing is provided for the I2C bus mode. It can also be controlled directly by d.c. switching signals.
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