DESCRIPTION

The WM8581 is a multi-channel audio CODEC with S/PDIF transceiver. The WM8581 is ideal for DVD and surround sound processing applications for home hi-fi, automotive and other audiovisual equipment.

Integrated into the device is a stereo 24-bit multi-bit sigma delta ADC with support for digital audio output word lengths from 16-bit to 32-bit, and sampling rates from 8kHz to 192kHz.

FEATURES

? Mutli-channel CODEC with 4 Stereo DACs and 1 Stereo ADC

? Integrated S/PDIF / IEC-60958-3 transceiver

? Audio Performance

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

? -90dB THD (48kHz) DAC

? 100dB SNR (‘A’ weighted @ 48kHz) ADC

? -90dB THD (48kHz) ADC

? DAC Sampling Frequency: 8kHz – 192kHz

? ADC Sampling Frequency: 8kHz – 192kHz

? Independent ADC and DAC Sample Rates

? 2 and 3-Wire Serial Control Interface with readback, or Hardware Control Interface

? GPO pins allow visibility of user selected status flags

? 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

? Two Independent Master or Slave Audio Data Interfaces

? Flexible Digital Interface Routing with Clock Selection Control

? 2.7V to 5.5V Analogue, 2.7V to 3.6V Digital Supply Operation

? 48-lead TQFP Package

APPLICATIONS

? Digital TV

? DVD Players and Receivers

? Surround Sound AV Processors and Hi-Fi systems

? Automotive Audio