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TEA0679 Datasheet I2C-bus controlled dual Dolby* B-type noise reduction circuit for playback applications

Manufacturer: NXP Semiconductors

Datasheet Details

Part number TEA0679
Manufacturer NXP Semiconductors
File Size 336.38 KB
Description I2C-bus controlled dual Dolby* B-type noise reduction circuit for playback applications
Download TEA0679 Download (PDF)

General Description

The TEA0679T is a bipolar integrated circuit that provides two channels of Dolby B noise reduction for playback applications in car radios.

It includes head and equalization amplifiers with electronically switchable time constants.

The device also includes electronically switchable inputs for tape drivers with reverse heads.

Overview

INTEGRATED CIRCUITS DATA SHEET TEA0679T I2C-bus controlled dual Dolby* B-type noise reduction circuit for playback applications Product specification Supersedes data of 1998 Jun 24 File under Integrated Circuits, IC01.

Key Features

  • Dual Noise Reduction (NR) channels.
  • Head preamplifiers.
  • Reverse head switching.
  • Automatic Music Search (AMS).
  • Blank skip.
  • Mute position.
  • Equalization with electronically switched time constants.
  • Switch functions and level adjustment controlled via I2C-bus.
  • Optional switch inputs TTL compatible.
  • Dolby reference level = 387.5 mV.
  • Contained in a 32-pin small outline package.
  • Improved EMC beh.