Datasheet > WM9708

WM9708

更新时间： 2024-09-17 22:13:51

品牌	Logo	应用领域
欧胜 - WOLFSON		解码器编解码器
页数	文件大小	规格书
28页	205K
描述
AC97 Revision 2.1 Audio Codec

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WM9708 数据手册

WM9708

AC’97 Revision 2.1 Audio Codec

Advanced Information, April 2001, Rev 2.0

DESCRIPTION

AC’97 FEATURES

•

18-bit stereo codec

S/N ratio > 95dB

WM9708 is a high-quality stereo audio codec compliant with

the AC’97 Revision 2.1 specification. It performs full duplex

18-bit codec functions and supports variable sample rates

from 8 to 48k samples/s and offers excellent quality with

high SNR. Additional features include 3D sound

enhancement, line-level outputs, and hardware sample rate

conversion.

Multiple stereo input mixer

Mono and stereo volume control

Power management features

Very low standby power

Variable rate audio (VRA) support

Analogue 3D stereo enhancement

Line level outputs

The WM9708 is fully operable on 3.3V or 5V or mixed

3.3/5V supplies, and is packaged in a 28-pin SSOP

package.

Supports Rev. 2.1 specified audio and modem sample

rates and filtering

•

PC-beep connection when device held reset

3.3V or 5V operation

28-pin SSOP package

BLOCK DIAGRAM

VOL/

MUTE

VOL/

(25,56) LINEOUT

MUTE

KEY:

VOL/

MUTE

(26) MONOOUT

MUX

MONO

VOL/

MUTE

STEREO

VOL/

MUTE

STEREO

DAC

SRC

VOL/

MUTE

(7) BITCLK

(10) SYNC

SERIAL

I/F

(9) SDATAIN

(6) SDATAOUT

(11) RESETB

VOL/

WM9708

MUTE

VOL/

MUTE

STEREO

ADC

VOL

SRC

CD (13,15)

RECORD

LINEIN (17,18)

MUX

AND

MUTE

PCBEEP (12)

MIC1 (16)

0dB/

20dB

(4) XTLIN

MUX

OSC

(5) XTLOUT

WOLFSON MICROELECTRONICS LTD

Bernard Terrace, Edinburgh, EH8 9NX, UK

Tel: +44 (0) 131 667 9386

Fax: +44 (0) 131 667 5176

Email: sales@wolfson.co.uk

Advanced Information data sheets contain

preliminary data on new products in the

preproduction phase of development.

Supplementary data will be published at a

later date.

www.wolfsonmicro.com

2001 Wolfson Microelectronics Ltd.

12 3 4 5 6 7...28

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