WM8728SEDSSLASHR datasheet(1/28 Pages) WOLFSON

부품명	WM8728SEDS/R

상세설명	24-bit, 192kHz Stereo DAC with Volume Control

PDF	28 Pages

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제조업체	WOLFSON [Wolfson Microelectronics plc]

홈페이지	http://www.wolfsonmicro.com

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WM8728

24-bit, 192kHz Stereo DAC with

Volume Control

WOLFSON MICROELECTRONICS plc

w :: www.wolfsonmicro.com

Production Data, April 2004, Rev 4.2

Copyright

2004 Wolfson Microelectronics plc

DESCRIPTION

The WM8728 is a high performance stereo DAC designed

for audio applications such as DVD, home theatre systems,

and digital TV. The WM8728 supports PCM data input word

lengths from 16 to 32-bits and sampling rates up to 192kHz.

The WM8728 consists of a serial interface port, digital

interpolation filters, multi-bit sigma delta modulators and

stereo DAC in a small 20-pin SSOP package. The WM8728

also includes a digitally controllable mute and attenuate

function for each channel.

The WM8728 supports a variety of connection schemes for

audio DAC control. The 2 or 3-wire MPU serial port provides

access to a wide range of features including on-chip mute,

attenuation and phase reversal. A hardware controllable

interface is also available

The WM8728 is an ideal device to interface to AC-3

,

DTS

, and MPEG audio decoders for surround sound

applications, or for use in DVD players supporting DVD-A.

FEATURES

•

Stereo DAC with 24 bit PCM

•

Audio Performance

-

106dB SNR (‘A’ weighted @ 48kHz) DAC

-

-97dB THD

•

DAC Sampling Frequency: 8kHz - 192kHz

•

2 or 3-Wire Serial Control Interface or Hardware Control

•

Programmable Audio Data Interface Modes

-

I

2S, Left, Right Justified, DSP

-

16/20/24/32 bit Word Lengths

•

Independent Digital Volume Control on Each Channel with

127.5dB Range in 0.5dB Steps

•

3.0V - 5.5V Supply Operation

•

20-pin SSOP Package

•

Exceeds Dolby Class A Performance Requirements

APPLICATIONS

•

DVD-Audio and DVD ‘Universal’ Players

•

Home theatre systems

•

Digital TV

•

Digital broadcast receivers

BLOCK DIAGRAM

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WM8728SEDS/R 데이터시트(PDF) 1 Page - Wolfson Microelectronics plc

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