Description
The CS4297A is an AC ’97 2.1 compatible stereo audio codec designed for PC multimedia systems. Using the industry leading CrystalClear delta-sigma and mixed signal technology, the CS4297A enables the design of PC 99-compliant desktop, portable, and entertainment PCs.
Coupling the CS4297A with a PCI audio accelerator or core logic supporting the AC ’97 interface, implements a cost effective, superior quality, audio solution. The CS4297A surpasses PC 99 and AC ’97 2.1 audio quality standards.

FEATUREs
• AC ’97 2.1 Compatible
• Industry Leading Mixed Signal Technology
• 20-bit Stereo Digital-to-Analog Converters
• 18-bit Stereo Analog-to-Digital Converters
• Four Analog Line-level Stereo Inputs for LINE_IN, CD, VIDEO, and AUX
• Two Analog Line-level Mono Inputs for Modem and Internal PC Beep
• Dual Stereo Line-level Outputs for LINE_OUT and ALT_LINE_OUT
• Dual Microphone Inputs
• High Quality Pseudo-Differential CD Input
• Extensive Power Management Support
• Meets or Exceeds the Microsoft® PC 99 Audio Performance Requirements
• S/PDIF Digital Audio Output
• CrystalClear 3D Stereo Enhancement