CS4226-BQZ

Surround Sound Codec

Description

The CS4226 is a single-chip codec providing stereo an alog-to-digital and six digital-to-analog converters using Delta-Sigma conversion techniques. This +5V device also contains volume control independently selectable for each of the six D/A channels. An S/PDIF receiver is included as a digital input channel. Applications include Dolby Pro-logic®, Dolby Digital AC-3®, THX® and DTS® home theater systems, DSP based car audio systems, and other multi-channel applications.

Features

• Stereo 20-bit A/D converters

• Six 20-bit D/A converters

• S/PDIF receiver

    – AC-3 & MPEG auto-detect capability

• 108 dB DAC signal-to-noise ratio EIAJ

• Mono 20-bit A/D converter

• Programmable Input gain & output attenuation

• On-chip anti-aliasing and output smoothing filters

• De-emphasis for 32 kHz, 44.1 kHz, 48 kHz