
Wolfson Microelectronics plc
DESCRIPTION
The WM8740 is a very high performance stereo DAC designed for audio applications such as CD, DVD, home theatre systems, set top boxes and digital TV.
FEATURES
• 120dB SNR (‘A’ weighted mono @48kHz), THD+N: -104dB@ FS
• 117dB SNR (‘A’ weighted stereo @48kHz), THD+N: -104dB@ FS
• Sampling frequency: 8kHz to 192kHz
• Selectable digital filter roll-off
• Optional interface to industry standard external filters
• Differential mono mode needing no glue logic
• Input data word: 16 to 24-bit
• Hardware or SPI compatible serial port control modes:
- Hardware mode: mute, de-emphasis, audio format control
- Serial mode: mute, de-emphasis, attenuation (256 steps), phase reversal
• Fully differential voltage outputs
APPLICATIONS
• CD, DVD audio
• Home theatre systems
• Professional audio systems