Audio Codec 1ADC / 1DAC 18-Bit/20-Bit 48-Pin TQFP

The CS4297A audio codec is an AC ’97 2.1-compliant, stereo audio codec designed for PC multimedia systems. Using industry-leading 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.

• AC ’97 2.1-compliant
• Meets or exceeds the Microsoft PC 99 audio performance requirements
• Industry-leading mixed-signal technology
• 20-bit stereo D/A converter; 18-bit stereo A/D converter
• Four analog, line-level stereo inputs: LINE_IN, CD, VIDEO, and AUX
• Two analog, line-level mono inputs: 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
• S/PDIF digital audio output
• 3D stereo enhancement
• Extensive power-management support
• Package: 48-pin TQFP