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STAC9701 - Multimedia Audio Codec

General Description

SigmaTel’s STAC9701/3 are general purpose 18-bit, full duplex, audio codecs that conform to the analog component specification of AC 97 (Audio Codec 97 Component Specification rev.

1.03).

Key Features

  • High performance Σ ∆ technology.
  • 18-bit full duplex stereo A/D, D/A.
  • AC-link protocol compliance.
  • Operates at either 5 VDC or 3.3 VDC.
  • AC ’97 compliant mixer.
  • Energy saving power down modes.
  • 48k sample/second rate.
  • Six analog line-level inputs.
  • Available in 48-pin LQFP.
  • SNR > 95 dB through the DAC and mixer 1 09/24/98.

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Datasheet Details

Part number STAC9701
Manufacturer SigmaTel
File Size 202.10 KB
Description Multimedia Audio Codec
Datasheet download datasheet STAC9701 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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PRELIMINARY SigmaTel, Inc. Integrating Mixed-Signal Solutions STAC9701/3 Multimedia Audio Codec for AC 97 GENERAL DESCRIPTION: SigmaTel’s STAC9701/3 are general purpose 18-bit, full duplex, audio codecs that conform to the analog component specification of AC 97 (Audio Codec 97 Component Specification rev. 1.03). The STAC9701/3 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. The Audio Codec 97 specification calls for separation of the basic analog codec functions from the high level digital control functions for improved noise immunity.