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TDA8742 Datasheet Satellite sound circuit

Manufacturer: NXP Semiconductors

Overview: www.DataSheet4U.com INTEGRATED CIRCUITS DATA SHEET TDA8742; TDA8742H Satellite sound circuit with noise reduction Product specification Supersedes data of November 1992 File under Integrated Circuits, IC02 October 1994.

General Description

The TDA8742;

TDA8742H is a multi-function sound IC for use in satellite receivers, television sets and video recorders.

The pin numbers given in parenthesis throughout this document refer to the QFP44 package.

Key Features

  • Demodulation of main audio signal using wide band PLL (lock range selectable).
  • HF input selection: two-out-of-eight secondary audio signals can be selected.
  • Demodulation of secondary audio signals using wide band PLL.
  • Noise reduction of the secondary audio signals.
  • Output selection: stereo, language 1, language 2, main audio and external.
  • Mute control.
  • Line outputs (SCART level). QUICK.