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