SigmaTel STAC9704
STAC9704/07 is a general purpose 18-bit, full duplex, audio codec that conforms to the analog component specification of AC’97 (Audio Codec ’97 Component Specification rev. The STAC9704/07 incorporates SigmaTel’s proprietary Sigma-Delta technology to achieve signal quality in excess of 95dB SNR. The DACs, ADCs, and mixers are integrated with analog I/Os, which include four analog line-level stereo inputs, two analog line-level mono inputs, and 3 output channels.| Part No. | STAC9704 |
|---|---|
| Datasheet | STAC9704 Download |
| Manufacturer |  SigmaTel |
| Description | Multimedia Audio Codec |
| Buy | Stock & Price |
GENERAL DESCRIPTION
: SigmaTel’s 1.03). Also included are SigmaTel’s 3D stereo enhancement (SS3D) and an extra true line-level out for headphones or speaker amplifiers. The STAC9704/07 communicates via the five wire AC Link to any digital component of AC’97 providing flexibility in the audio system design. Packaged in a small AC’97 compliant 48-pin TQFP, the STAC9704/07 can be placed on the motherboard, daughter boards, add-on cards, PCMCIA cards, or outside the main chassis such as in a speaker. The 9707 is identical to the 9704 except that the 9707 is tested at AVdd = DVdd = 3.3V.FEATURES
:● High performance Σ ∆ technology
● 18-bit full duplex stereo A/D, D/A
● AC-link protocol compliance
● Single power source from 5V to 3.3V
● AC'97 compliant mixer
● SigmaTel Surround (SS3D) Stereo Enhancement
● Energy saving power down modes
● 48k sample/second rate
● Six analog line-level inputs
● 48-pin TQFP
● SNR > 95 dB through Mixer and DAC
● STAC9707 is the 3.3 volt version 1 10/02/98 ORDERIN...
