DESCRIPTION

The WM8850 is a high performance multi-channel audio CODEC designed for high performance PC audio systems. The device offers full compatibility with the Intel High Definition Audio (HDA) specification revision 1.0,allowing seamless integration with industry-standard HDA controllers.

FEATURES

 Multi-channel High Definition Audio CODEC

 Fully compatible with Intel High Definition Audio Revision 1.0

 6-Channel DAC, 4-channel ADC

 DAC sampling frequency 8kHz - 192kHz

 ADC sampling frequency 8kHz - 96kHz

 DAC Performance:

  - SNR 108 dB (‘A’ weighted)

  - SNR 105dB (non weighted)

  - THD -96dB (at 0dBFS)

 ADC Performance:

  - SNR 105 dB (‘A’ weighted)

  - SNR 102dB (non weighted)

  - THD -95dB (at -1dBFS)

 Ground-referenced stereo headphone driver

 Differential line inputs/outputs

 Stereo microphone interface with integrated pre-amp

 Multi-channel digital microphone interface

 IEC-60958-3 compatible S/PDIF transceiver

 Additional IEC-60958-3 compatible S/PDIF transmitter

 Jack detect and load impedance sensing

 Beep generator

 GPIO functionality

 IEEE-754 Single precision 32-bit floating point support

 Power supplies

  - Digital core:  1.62V – 1.98V

  - Digital buffer:  2.97V – 3.63V

  - Analogue:  4.5V – 5.25V

  - Charge pump:  4.5V – 5.25V  48-pin 7mm x 7mm QFN package

APPLICATIONS

High performance PC audio

All-in-one desktop PC

Notebook PC