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CMI9739 - 6-Channel Audio Codec

Download the CMI9739 datasheet PDF. This datasheet also covers the CMI9739_C variant, as both devices belong to the same 6-channel audio codec family and are provided as variant models within a single manufacturer datasheet.

Description

Universality CMI9739 is a 6CH AC97 CODEC, applicable for major MB chipsets of Intel, VIA, Ali, and SIS.

CMI9739 is ideal for PC2001-compliant desktops, notebooks, and home entertainment PCs where high-quality audio is a must.

Features

  • Intel AC’97(Rev 2.2) compatible, meeting Microsoft’s PC2001 requirements.
  • Built-in earphone buffer and internal PLL, the latter saving additional crystal.
  • Earphone buffer, optional on HP_OUT pins(9739) or LINE_HP_OUT pins(9739A).
  • Line-in/rear out share the same jack.
  • Center/bass share the MIC jack.
  • Digital S/PDIF IN/OUT support.
  • 48 LQFP package.
  • CRL 3D: HRTF based DS3D compatible audio engine.
  • EAX 1.0 & 2.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (CMI9739_C-MediaElectronics.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number CMI9739
Manufacturer C-Media Electronics
File Size 2.63 MB
Description 6-Channel Audio Codec
Datasheet download datasheet CMI9739 Datasheet

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.

View original datasheet text
www.DataSheet4U.com CMI 9739 Integrated Multi-channel AC’97 CMI9739/CMI9739A Six Channel Audio Codec Specifications Preliminary Description and Overview Universality CMI9739 is a 6CH AC97 CODEC, applicable for major MB chipsets of Intel, VIA, Ali, and SIS. CMI9739 is ideal for PC2001-compliant desktops, notebooks, and home entertainment PCs where high-quality audio is a must. 6CH Playback The specially-designed 6CH hardware architecture of CMI9739 allows multi-channel south bridge to playback 6CH audio. Cost-effectiveness As to the cost concern, CMI9739 integrates the earphone buffer, analog CD differential interface, and analog switch for rear channel audio to Line-in. Besides, Mic-in can share same jack with center/bass output for Features „ Intel AC’97(Rev 2.
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