DESCRIPTION
The WM8722 is a high performance stereo DAC designed for audio applications such as digital TV and set top boxes. The WM8722 has two stereo analogue outputs, one at line level and one that includes a digitally controllable mute and attenuator function. An on-board tone generator can be routed through the line or variable outputs.

FEATURES
• Performance
    − 102dB SNR (‘A’ weighted @48kHz)
    − THD+N: -90dB @ F.S.
    − 5V or 3V supply operation
    − Sampling frequency: 8kHz – 96kHz
• 3-wire or 2-wire serial MPU compatible interface for
    − Input data word; 16/20/24-Bit
    − Soft mute
    − De-emphasis
    − Volume control
• On-board tone generator (1Hz – 32kHz, 0.1 – 25.5s)
• Stereo analogue inputs
• 20-pin SSOP package

APPLICATIONS
• Digital TV
• Digital broadcast receivers
• Set top boxes