Datasheet > WM8729

WM8729

更新时间： 2024-11-21 22:41:27

品牌	Logo	应用领域
欧胜 - WOLFSON		/
页数	文件大小	规格书
15页	170K
描述
24-bit, 192kHz Stereo DAC

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WM8729 数据手册

WM8729

24-bit, 192kHz Stereo DAC

Product Preview, Rev 1.2, April 2001

DESCRIPTION

FEATURES

•

Stereo DAC

Audio Performance

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.

106dB SNR (‘A’ weighted @ 48kHz) DAC

-97dB THD

•

DAC Sampling Frequency: 8kHz – 192kHz

Pin Selectable Audio Data Interface Format

I²S or Right Justified

The WM8729 has a hardware control interface for selection

of audio data interface format and de-emphasis.

•

3.0V - 5.5V Supply Operation

16-pin SOIC Package

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.

Exceeds Dolby Class A Performance Requirements

APPLICATIONS

•

DVD-Audio and DVD ‘Universal’ Players

Home theatre systems

Digital TV

Digital broadcast receivers

BLOCK DIAGRAM

FORMAT MUTEB

DEM

CONTROL INTERFACE

WM8729

SIGMA

DELTA

MODULATOR

LOW

PASS

FILTER

RIGHT

DAC

MUTE

VOUTR

VOUTL

BCKIN

LRCIN

DIN

SERIAL

INTERFACE

DIGITAL FILTERS

SIGMA

DELTA

MODULATOR

LOW

PASS

FILTER

LEFT

DAC

VMID

MCLK

AVDD DVDD

VREFP VREFN AGND DGND

WOLFSON MICROELECTRONICS LTD

Product Preview data sheets contain

specifications for products in the formative

phase of development. These products may

be changed or discontinued without notice.

Lutton Court, Bernard Terrace, Edinburgh, EH8 9NX, UK

Tel: +44 (0) 131 667 9386

Fax: +44 (0) 131 667 5176

Email: sales@wolfson.co.uk

www.wolfsonmicro.com

2001 Wolfson Microelectronics Ltd.

12 3 4 5 6 7...15

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