EE Product News

Audio DAC Supplies PC Interface

Addressing emerging consumer audio applications, the WM9709 chip combines a 20-bit stereo D/A converter with an AC’97 control and a PC-data interface, components commonly found on most PC mother- boards. The device operates from a single 3.3V power supply or a combination 3V digital and 5V analog supply. Audio performance specs include a SNR of 102 dB and a THD of -95 dB. Additionally, the DAC supports surround, center and LFE channels, and a complete reference design, documentation, and evaluation boards are available. For more details, contact Bernard Terrace at WOLFSON MICROELECTRONICS PLC, Edinburgh, UK. +44 (0) 131 272 7000.


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