DESCRIPTION
WM9704M is a high quality audio codec compliant with the AC97 Revision 2.1 specification. The WM9704M has a proprietary mode which can meet the requirements of an AMC’97 codec. It performs full duplex 18-bit codec functions from 8 to 48ksamples/s and offers excellent quality with high SNR. Features include 3D sound and line-level outputs. Support is also provided for variable sample rates and master/slave mode operation.

FEATURES
• 4 DAC channels, stereo ADC
• S/N ratio > 95dB
• Variable rate audio and modem support
• Analogue 3D stereo enhancement
• Line level outputs
• Master/slave ID selection
• Low power implementation
• 3.3V or 5V operation
• 48-pin TQFP packag

APPLICATIONS
• Simultaneous modem operation and stereo playback