DESCRIPTION

The WM8716 is a high performance stereo DAC designed for audio applications such as CD, DVD, home theatre systems, set top boxes and digital TV. The WM8716 supports data input word lengths from 16 to 24-bits and sampling rates up to 192kHz. The WM8716 consists of a serial interface port, digital interpolation filter, multi-bit sigma delta modulator and stereo DAC in a small 28-lead SSOP package. The WM8716 also includes a digitally controllable mute and attenuator function on each channel.

FEATURES

• 112dB SNR (‘A’ weighted @ 48kHz), THD: -97dB @ -1dB FS

• Sampling frequency: 8kHz to 192kHz

• Selectable digital filter roll-off

• Optional interface to industry standard external filters

• Differential mono mode

• 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

• Compatible upgrade to PCM1716

APPLICATIONS

• CD, DVD audio

• Home theatre systems

• Set top boxes

• Digital TV