Description

The CS4227 is a single-chip codec providing stereo an alog-to-digital and six digital-to-analog converters using

delta-sigma conversion techniques. This +5 V device also contains volume controls that are independently selectable for each of the six D/A channels. Applications include Dolby® Pro-logic™, THX®, and Dolby Digital AC-3™ home theater systems, DSP based car audio systems, and other multi-channel applications.

Features

l Stereo 20-bit A/D Converters

l Six 20-bit D/A Converters

l 108 dB DAC Signal-to-Noise Ratio (EIAJ)

l Mono 20-bit A/D Converter

l Programmable Input Gain & Output Attenuation

l On-chip Anti-aliasing and Output Smoothing Filters

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