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WM8729

24-bit, 192kHz Stereo DAC

WOLFSON MICROELECTRONICS plc

Production Data, June 2006, Rev 4.1

Copyright

2006 Wolfson Microelectronics plc

DESCRIPTION

The WM8729 is a high performance stereo DAC designed

for audio applications such as DVD, home theatre systems,

and digital TV. The WM8729 supports data input word

lengths from 16 to 24-bits and sampling rates up to 192kHz.

The WM8729 consists of a serial interface port, digital

interpolation filters, multi-bit sigma delta modulators and

stereo DAC in a small 16-pin SOIC package.

The WM8729 has a hardware control interface for selection

of audio data interface format and de-emphasis.

The WM8729 is an ideal device to interface to AC-3

,

DTS

, and MPEG audio decoders for surround sound

applications, or for use in DVD players, including supporting

the implementation of 2 channels at 192kHz for high-end

DVD-Audio applications.

FEATURES

•

Stereo DAC

•

Audio Performance

-

106dB SNR (‘A’ weighted @ 48kHz) DAC

-

-97dB THD

•

DAC Sampling Frequency: 8kHz – 192kHz

•

Pin Selectable Audio Data Interface Format

-

I

•

3.0V - 5.5V Supply Operation

•

16-lead SOIC Package

•

Exceeds Dolby Class A Performance Requirements

APPLICATIONS

•

DVD-Audio and DVD ‘Universal’ Players

•

Home theatre systems

•

Digital TV

•

Digital broadcast receivers

BLOCK DIAGRAM