Description
The CS4201 is an AC ’97 2.1 compliant stereo audio codec designed for PC multimedia systems. It uses industry leading CrystalClear® delta-sigma and mixed signal technology. This advanced technology and these features are designed to help enable the design of PC 99 and PC 2001 compliant high-quality audio systems for desktop, portable, and entertainment PCs.

Features
● Integrated High-Performance Headphone Amplifier
● On-chip PLL for use with External Clock Sources
● Sample Rate Converters
● S/PDIF Digital Audio Output
● AC ’97 2.1 Compliant
● 20-bit Stereo Digital-to-Analog Converters
● 18-bit Stereo Analog-to-Digital Converters
● Three Analog Line-level Stereo Inputs for LINE IN, VIDEO, and AUX
● Two Analog Line-level Mono Inputs for Modem and PC Beep
● Dual Microphone Inputs
● High Quality Pseudo-Differential CD Input
● Integrated High-Performance Microphone Pre-Amplifier
● Separate Stereo Line-level Output
● Extensive Power Management Support
● Meets or Exceeds the Microsoft® PC 99 and PC 2001 Audio Performance Requirements
● CrystalClear® 3D Stereo Enhancement
● I2S Serial Digital Outputs Enable Cost Effective Six Channel Applications