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Wolfson audio DAC features AC'97 interface

Posted: 29 Apr 2003 ?? ?Print Version ?Bookmark and Share

Keywords:wolfson microelectronics? wm9709? stereo audio dac? ac 97 interface? ac link architecture?

The WM9709 stereo audio DAC from Wolfson Microelectronics Ltd features an Intel-specified AC-Link architecture and addresses the emerging consumer audio applications using PC technology. It combines a 20-bit stereo DAC with an AC'97 control and data interface, commonly used on most motherboards.

The chip operates from a 3.3V single supply or mixed 3V digital and 5V analog supply and provides a SNR of 102dB, as well as a THD of -95dB. It supports surround, center, and LFE channels.

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