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CXD2724AQ-1 - Single-Chip Dolby Pro Logic Surround Decoder

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General Description

The CXD2724AQ-1 is a CMOS LSI developed for Dolby Pro Logic Surround.

A SRAM for short delay and AD/DA converters are built in, and all functions necessary for Dolby Pro Logic Surround such as an adaptive matrix, a passive decoder including BNR, auto input balance, a noise sequencer and center channel mode control are contained on a single chip.

Further, this LSI also supports Dolby 3 Stereo and Virtual Dolby Surround.

Overview

CXD2724AQ-1 Single-Chip Dolby Pro Logic Surround Decoder For the availability of this product, please contact the sales office.

Key Features

  • Dolby Pro Logic Surround decoding with a single chip.
  • 2-channel 1-bit AD converter, decimation filter and prefilter operational amplifier.
  • 4-channel 1-bit DA converter, oversampling filter and post filter.
  • Analog switch for DSP bypass.
  • Analog electronic attenuator (+1.5 to.
  • 29.5dB) for center/surround channel trim.
  • 24K-bit SRAM for short delay.
  • No separation or other variance for digital processing.
  • External parts r.

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