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參數(shù)資料
| 型號： | WM9703 |
| 廠商： | Wolfson Microelectronics |
| 英文描述： | TVS UNIDIRECT 400W 22V SMA |
| 中文描述： | AC97音頻編解碼器2.1版 |
| 文件頁數(shù)： | 1/30頁 |
| 文件大小： | 239K |
| 代理商： | WM9703 |
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WM9703
AC’97 Revision 2.1 Audio Codec
Production Data, January 2001, Rev 3.4
WOLFSON MICROELECTRONICS LTD
Lutton Court, Bernard Terrace, Edinburgh, EH8 9NX, UK
Tel: +44 (0) 131 667 9386
Fax: +44 (0) 131 667 5176Email: sales@wolfson.co.uk
http://www.wolfson.co.uk
Production Data
datasheets contain final
specifications current on publication date.
Supply of products conforms to Wolfson
Microelectronics’ Terms and Conditions.
2001 Wolfson Microelectronics Ltd
.
DESCRIPTION
WM9703 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 and line-level outputs. In addition, support is
provided for variable sample rates and accommodation is
made for master/slave mode operation.
WM9703 is interchangeable with AC’97 codecs from
Wolfson and other suppliers. The WM9703 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
AC
’
97 REVISION 2.1 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
Low power implementation
Very low standby power
Variable rate audio (VRA) support
Analogue 3D stereo enhancement
Line level outputs
Supports Revision. 2.1 specified modem sample rates
and filtering
Master/slave ID selection
PC-beep connection when device held reset
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)
MIC[1] (21)
MIC[2] (22)
0dB/
20dB
MASTER/
SLAVE
SELECT
(45) CID[0]
(46) CID[1]
(6) BITCLK
(10) SYNC
(8) SDATAIN
(5) SDATAOUT
(11) RESETB
(47) EAPD
VOL/
MUTE
OSC
(2) XTLIN
(3) XTLOUT
VOL
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
WM9703
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| WM9712L | AC97 Audio and Touchpanel CODEC |
| WM9712LEFL | AC97 Audio and Touchpanel CODEC |
| WM9712LEFT | AC97 Audio and Touchpanel CODEC |
| WM9712LEFV | AC97 Audio and Touchpanel CODEC |
| WM9712LSEFL | AC97 Audio and Touchpanel CODEC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| WM9703CFT/V | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:AC97 Revision 2.1 Audio Codec |
| WM9704CFT/V | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:4-Channel Surround Sound Codec |
| WM9704M | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:AMC97 Audio and Modem Codec |
| WM9704Q | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:4-Channel Surround Sound Codec |
| WM9705 | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:Multimedia AC97 CODEC with Integrated Touch Screen Controller |
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