DESCRIPTION
The WM8775 is a high performance, stereo audio ADC with a 4 channel input mixer. The WM8775 is ideal for digitising multiple analogue sources for surround sound processing applications for home hi-fi, automotive and other audio visual equipment.

FEATURES
•Audio Performance
− 102dB SNR (‘A’ weighted @ 48kHz)
−-90dB THD
• ADC Sampling Frequency: 32kHz – 96kHz
• Four stereo ADC inputs with analogue gain adjust from +24dB to –21dB in 0.5dB steps
• Digital gain adjust from -21.5dB to -103dB.
• Programmable Automatic Level Control (ALC) or Limiter on ADC input
• 3-Wire SPI Compatible or 2-wire Serial Control Interface
• Master or Slave Clocking Mode
• Programmable Audio Data Interface Modes
−I2S, Left, Right Justified or DSP
− 16/20/24/32 bit Word Lengths
• 2.7V to 5.5V Analogue, 2.7V to 3.6V Digital supply Operation

APPLICATIONS
• Surround Sound AV Processors and Hi-Fi systems
•Automotive Audio