Description

The WM8772S is a multi-channel audio codec designed for various audio visual equipment such as DVD players, surround sound AV processors, and automotive audio systems. It features a stereo 24-bit multi-bit sigma delta ADC and supports digital audio output word lengths from 16-32 bits and sampling rates from 32kHz to 96kHz. The 32-lead version of this model allows separate ADC and DAC sample rates.

Specifications and features

- Audio Performance: 103dB SNR (‘A’ weighted @ 48kHz) DAC, 100dB SNR (‘A’ weighted @ 48kHz) ADC (TQFP)
- DAC Sampling Frequency: 8kHz – 192kHz
- ADC Sampling Frequency: 32kHz – 96kHz
- ADC and DAC can run at different sample rates (32 pin TQFP version only)
- 3-Wire SPI Serial or Hardware Control Interface
- Programmable Audio Data Interface Modes: I2S, Left, Right Justified or DSP
- Word Lengths: 16/20/24/32 bit
- Three Independent stereo DAC outputs with independent digital volume controls
- Master or Slave Audio Data Interface
- Analog Supply Operation: 2.7V to 5.5V
- Digital Supply Operation: 2.7V to 3.6V
- Package: 28 lead SSOP or 32 lead TQFP

Application Scenarios

- DVD Players
- Surround Sound AV Processors and Hi-Fi systems
- Automotive Audio

Comparison