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STAC9700 - Stereo AC97 Codec

General Description

SigmaTel’s STAC9700 is a general-purpose 18-bit stereo, full duplex, audio codec that is built around the analog component specification of AC'97.

Key Features

  • High performance Σ ∆ technology.
  • Energy saving power down modes.
  • 18-bit full duplex stereo ADC, DACs.
  • AC-Link protocol compliance.
  • Low-noise differential CDROM input.
  • Primary capable in 2.1 system.
  • Pin compatible with the STAC9704/21.
  • SigmaTel Surround (SS3D) Stereo Enhancement.
  • Five analog line-level inputs.
  • 48-pin TQFP.
  • SNR > 90 dB through Mixer and DAC.
  • +3.3V and +5V operation 1 08.

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Datasheet Details

Part number STAC9700
Manufacturer SigmaTel
File Size 223.26 KB
Description Stereo AC97 Codec
Datasheet download datasheet STAC9700 Datasheet

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Other Datasheets by SigmaTel

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STAC9701 Multimedia Audio Codec
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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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SigmaTel, Inc. Integrating Mixed-Signal Solutions DATA SHEET STAC9700 Stereo AC'97 Codec GENERAL DESCRIPTION: SigmaTel’s STAC9700 is a general-purpose 18-bit stereo, full duplex, audio codec that is built around the analog component specification of AC'97. The STAC9700 incorporates SigmaTel’s proprietary Sigma-Delta technology to achieve a DAC SNR in excess of 90dB and line through SNR of greater than 95dB. The DACs, ADCs, and mixer are integrated with analog I/Os, which include three analog line-level stereo inputs, two analog line-level mono inputs, one stereo outputs, and one mono output channel. Also included is SigmaTel’s 3D stereo enhancement (SS3D) for increased speaker separation when using typical low-cost PC speakers.