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