CMI9761A Datasheet, PDF (8/23 Pages) List of Unclassifed Manufacturers – C-Media CMI9761A / 9761A+ 6 Channel AC97 2.3 Audio Codec

CMI9761A/9761A+ DataSheet
2004/02/09, Rev 1.2
3. Overview
C-Media CMI9761A/9761A+ is a 6 channel, Intel^® AC’97 rev 2.3
compliant audio codec. The applicable M/B chipsets are extensive,
including Intel^® ICHx series as well as those supplied by SiS^®, VIA^®,
Ali^®, and nVidia^®. The excellent audio quality (A/A SNR > 90dB)
makes CMI9761A/9761A+ ideal for designing Microsoft^® PC2001
compliant PC multimedia desktops and notebooks.
The various features implemented within CMI9761A/9761A+ can help
users to enjoy the PC audio smoothly without any frustration. The
most important of all is jack detection & impedance sensing that can
minimize user’s intervention and try-and-error during setup. There
are also creative applications such as automatically enabling
pre-defined equalization for different audio devices. With precise
advanced sensing technology, CMI9761A/9761A+ can determine
most device classes without miss. CMI9761A/9761A+ can make a
fantastic impression on end users and also reduce the cost of support
for setup of audio environment. The digital PC Beep support can
further improve the quality of analog output by eliminating the
traditional noisy analog PC Beep.
The S/PDIF out function makes connection easily from PC to CE
products, such as AC3/DTS decoder or Minidisk. The 96 kHz / 24 bits
S/PDIF output capability of CMI9761A/9761A+ can easily distribute
the premium-quality stereo PCM audio to CE equipments. Combining
with value add-on software such as Xear3D™ technology,
CMI9761A/9761A+ is able to fulfill the most rigid requirements of
audiophiles. Not to mention, CMI9761A/9761A+ can transmit DVD
industry standard multi-channel Dolby® Digital audio stream to
external decoder utilizing S/PDIF link and enjoy the Home Theater
concept.
The built-in PLL and earphone buffer can help our customers to save
the BOM cost and create a cost-effective end product. Together with
the flexible shared audio function design and dedicated multi-channel
output, the design of end products can be as versatile and creative as
Copyright 2003-2004 © C-Media Electronics Inc.
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