DESCRIPTION

WM8746 is a high performance 6-channel DAC designed for audio applications such as DVD, home theatre systems, and digital TV. The WM8746 supports data input word lengths from 16 to 32-bits and sampling rates up to 192kHz. The WM8746 can convert up to 6 channels at sample rates from 8 to 192kHz. Additionally WM8746 supports 2 channels at 192kHz and 4 channels at 96kHz simultaneously.

FEATURES

• 6-Channel DAC

• Audio Performance

− 106dB SNR (‘A’ weighted @ 48kHz) DAC

− -95dB THD

• DAC Sampling Frequency: 8kHz – 192kHz

• 3-Wire Serial Control Interface

• Programmable Audio Data Interface Modes

− I2S, Left, Right Justified or DSP

− 16/20/24/32 bit Word Lengths

• Independent Digital Volume Control on Each Channel with 127.5dB Range in 0.5dB Steps

• 3.0V – 5.5V Supply Operation

• 28-Pin SSOP Package

• Exceeds Dolby Class A Performance Requirements

• Pin Compatible with WM8736

APPLICATIONS

• DVD and DVD ‘Universal’ Players

• Home theatre systems

• Digital broadcast receivers