CS4227

6-Channel, 20-Bit Multi-Channel CODEC

Overview

Description

The CS4227 is a single-chip CODEC that provides three analog-to-digital (A/D) converters and six digital-to-analog (D/A) converters that use 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 multichannel applications.

Features

• Three 20-bit A/D converters
• Six 20-bit D/A converters
• 108 dB D/A converter signal-to-noise ratio (EIAJ)
• Programmable input gain and output attenuation
• On-chip anti-aliasing and output smoothing filters
• De-emphasis for 32 kHz, 44.1 kHz, and 48 kHz
• Package: 44-pin TQFP

Diagram