STAC9721 Overview
SigmaTel’s STAC9721/23 is a general-purpose 18-bit stereo, full duplex, audio codec that conforms to the analog ponent specification of AC'97 (Audio Codec 97 ponent Specification Rev. The STAC9721/23 incorporates SigmaTel’s proprietary Sigma-Delta technology to achieve a DAC SNR in excess of 95dB. The DACs, ADCs, and mixer are integrated with analog I/Os, which include four analog line-level stereo inputs, two...
STAC9721 Key Features
- High performance Σ∆ technology
- Energy saving power down modes
- 18-bit full duplex stereo ADC, DACs
- AC-Link protocol pliance
- 3.3V Multiple power supply options
- Pin patible with the STAC9700/44/45
- SigmaTel Surround (SS3D) Stereo Enhancement
- External Amplifier Power Down Control
- Multi-Codec option (Intel AC'97 rev 2.1)
- Six analog line-level inputs