CMI9739A Datasheet 6-channel Audio Codec

Manufacturer: C-Media Electronics

Overview: .. CMI 9739 Integrated Multi-channel AC’97 CMI9739/CMI9739A Six Channel Audio Codec Specifications.

This datasheet includes multiple variants, all published together in a single manufacturer document.

Datasheet Details

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-pliant 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.

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.

Part Number	Description
CMI9739	6-Channel Audio Codec
CMI9738	4-Channel Audio Codec
CMI9761	6CH AC97 2.3 CODEC
CMI8768	PCI 8CH Integrated Sound Chip
CMI8768+	PCI 8CH Integrated Sound Chip
CMI8787	High Performance PCI Audio Processor
CMI8788	High Performance PCI Audio Processor