DESCRIPTION

The WM8736 is a high performance 6-channel DAC designed for audio applications such as DVD, home theatre systems, and digital TV. The WM8736 supports data input word lengths from 16 to 24-bits and sampling rates up to 96kHz. The WM8736 consists of a serial interface port, digital interpolation filters, multi-bit sigma delta modulators and 6 DACs in a small 28-pin SSOP package. The WM8736 also includes a digitally controllable mute and attenuator function on each channel.

FEATURES

• 6-channel DAC

• Performance:

− 102dB SNR (‘A’ weighted @ 48kHz), THD+N: -95dB at full scale

• 5V or 3.3V supply operation

• Sampling frequency: 8kHz to 96kHz

• Input data word: 16 to 24-bit

• Hardware or SPI compatible serial port control modes:

− Hardware mode: system clock, reset, mute

− Serial control mode: mute, de-emphasis, digital attenuation (256 steps), zero mute, power down

APPLICATIONS

• DVD

• Home theatre systems

• Digital TV

• Digital broadcast receivers