DESCRIPTION

The WM8768 is a multi-channel audio DAC ideal for DVD and surround sound processing applications for home hi-fi, automotive and other audio visual equipment.

Four stereo 24-bit multi-bit sigma delta DACs are used with oversampling digital interpolation filters. Digital audio input word lengths from 16-32 bits and sampling rates from 8kHz to 192kHz are supported. Each DAC channel has independent digital volume and mute control.

FEATURES

• 8-Channel DAC with PCM.

• Audio Performance

− 103dB SNR (‘A’ weighted @ 48kHz) DAC

• DAC Sampling Frequency: 8kHz – 192kHz

• 3-Wire SPI Serial or Hardware Control Interface

• Programmable Audio Data Interface Modes

− I2S, Left, Right Justified or DSP

− 16/20/24/32 bit Word Lengths

• Four Independent stereo DAC outputs with independent digital volume controls

• Master or Slave Audio Data Interface

• 2.7V to 5.5V Analogue, 2.7V to 3.6V Digital supply Operation

• 28 pin SSOP Package

APPLICATIONS

• DVD Players

• Surround Sound AV Processors and Hi-Fi systems

• Automotive Audio