
Wolfson Microelectronics plc
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