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