XM9707CFTSLASHV datasheet(1/30 Pages) WOLFSON

部品番号	XM9707CFT/V

部品情報	AC97 Revision 2.1 Audio Codec with Spdif Output

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メーカー	WOLFSON [Wolfson Microelectronics plc]

ホームページ	http://www.wolfsonmicro.com

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WM9707

AC’97 Revision 2.1 Audio Codec with SPDIF Output

Advanced Information, January 2001, Rev 2.2

WOLFSON MICROELECTRONICS LTD

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

http://www.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.

2001 Wolfson Microelectronics Ltd

.

DESCRIPTION

WM9707 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, hardware sample rate

conversion, master/slave mode operation and SPDIF

output.

WM9707 is interchangeable with AC’97 codecs from

Wolfson and other suppliers. The WM9707 is fully operable

on 3.3V or 5V or mixed 3.3/5V supplies, and is packaged in

the industry standard 48-pin TQFP package with 7mm body

size.

AC’97 FEATURES

•

3.3V or 5V operation

•

18-bit stereo codec

•

S/N ratio > 95dB

•

Multiple stereo input mixer

•

Mono and stereo volume control

•

48-pin TQFP package

•

Power management features

•

Very low standby power

•

Variable rate audio (VRA) support

•

Analogue 3D stereo enhancement

•

Line level outputs

•

Supports Rev. 2.1 specified modem sample rates

and filtering

•

Master/slave ID selection

•

PC-beep connection when device held reset

•

SPDIF digital output

BLOCK DIAGRAM

VOL/

MUTE

VOL/

MUTE

VOL/

MUTE

VOL/

MUTE

VOL/

MUTE

Σ

VOL/

MUTE

Σ

(37) MONOOUT

(39,41) LNLVLOUT

(35,36) LINEOUT

Σ

CD (18,20)

LINEIN (23,24)

VIDEO (16,17)

AUX (14,15)

PHONE (13)

PCBEEP (12)

MIC1 (21)

MIC2 (22)

0dB/

20dB

MASTER/

SLAVE

SELECT

(48) SPDIF

(45) CID

(6) BITCLK

(10) SYNC

(8) SDATAIN

(5) SDATAOUT

(47) EAPD

VOL/

MUTE

OSC

(2) XTLIN

(3) XTLOUT

VOL/

MUTE

STEREO

DAC

SRC

3D

Σ

VOL

STEREO

ADC

SRC

VOL/

MUTE

MUX

VOL/

MUTE

VOL/

MUTE

MUX

KEY:

MONO

STEREO

RECORD

MUX

AND

MUTE

SERIAL

I/F

WM9707

VOL/

MUTE

(44) SPDIF ENABLE

(11) RESETB

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