Wolfson audio DAC features AC'97 interface

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.