Description
SigmaTel’s STAC9721/23 is a general-purpose 18-bit stereo, full duplex, audio codec that conforms to the analog component specification of AC'97 (Audio Codec 97 Component Specification Rev.
Features
- High performance Σ∆ technology.
- Energy saving power down modes.
- 18-bit full duplex stereo ADC, DACs.
- AC-Link protocol compliance.
- 3.3V Multiple power supply options.
- Pin compatible with the STAC9700/44/45.
- SigmaTel Surround (SS3D) Stereo Enhancement.
- EAPD.
- External Amplifier Power Down Control.
- Multi-Codec option (Intel AC'97 rev 2.1).
- Six analog line-level inputs.
- 48-pin TQFP.
STAC9721_ETC.pdf
