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參數資料
| 型號： | WM9708 |
| 廠商： | Wolfson Microelectronics |
| 元件分類： | Codec |
| 英文描述： | AC97 Revision 2.1 Audio Codec |
| 中文描述： | AC97音頻編解碼器2.1版 |
| 文件頁數： | 1/28頁 |
| 文件大小： | 205K |
| 代理商： | WM9708 |
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WM9708
AC’97 Revision 2.1 Audio Codec
Advanced Information, April 2001, Rev 2.0
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
www.wolfsonmicro.com
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
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
enhancement, line-level outputs, and hardware sample rate
conversion.
include
3D
sound
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.
AC
’
97 FEATURES
18-bit stereo codec
S/N ratio > 95dB
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
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/
MUTE
VOL/
MUTE
Σ
VOL/
MUTE
Σ
(26) MONOOUT
(25,56) LINEOUT
Σ
CD (13,15)
LINEIN (17,18)
PCBEEP (12)
MIC1 (16)
0dB/
20dB
(7) BITCLK
(10) SYNC
(9) SDATAIN
(6) SDATAOUT
OSC
(4) XTLIN
(5) XTLOUT
VOL/
MUTE
STEREO
DAC
SRC
Σ
VOL
STEREO
ADC
SRC
VOL/
MUTE
MUX
VOL/
MUTE
MUX
KEY:
MONO
STEREO
RECORD
MUX
AND
MUTE
SERIAL
I/F
VOL/
MUTE
(11) RESETB
WM9708
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相關代理商/技術參數 |
參數描述 |
|---|---|
| WM9708SCDS | 功能描述:接口—CODEC Stereo Rev 2.1 AC’97 CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| WM9708SCDS/R | 功能描述:接口—CODEC Stereo Rev 2.1 AC’97 CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| WM9708SCDS/V | 功能描述:接口—CODEC Stereo Rev 2.1 AC’97 CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| WM9709 | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:AC LINK INTERFACE AUDIO DAC |
| WM9709CDS | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:AC LINK INTERFACE AUDIO DAC |
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