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WM9710GEFL/V PDF预览

WM9710GEFL/V

更新时间： 2024-09-18 20:52:43
品牌 Logo 应用领域
凌云 - CIRRUS PC电信电信集成电路
页数 文件大小 规格书
33页 311K
描述
PCM Codec, 1-Func, CMOS, PQCC48, 7 X 7 MM, 0.90 MM HEIGHT, 0.50 MM PITCH, LEAD FREE, PLASTIC, MO-220-VKKD-2, QFN-48

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WM9710GEFL/V 技术参数

生命周期：Active包装说明：7 X 7 MM, 0.90 MM HEIGHT, 0.50 MM PITCH, LEAD FREE, PLASTIC, MO-220-VKKD-2, QFN-48
Reach Compliance Code：compliantHTS代码：8542.39.00.01
风险等级：5.67滤波器：YES
JESD-30 代码：S-PQCC-N48长度：7 mm
功能数量：1端子数量：48
工作模式：SYNCHRONOUS最高工作温度：85 °C
最低工作温度：-25 °C封装主体材料：PLASTIC/EPOXY
封装代码：HVQCCN封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE座面最大高度：1 mm
标称供电电压：3.3 V表面贴装：YES
技术：CMOS电信集成电路类型：PCM CODEC
温度等级：OTHER端子形式：NO LEAD
端子节距：0.5 mm端子位置：QUAD
宽度：7 mmBase Number Matches：1

WM9710GEFL/V 数据手册

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WM9710  
AC’97 Audio CODEC and Mixer with  
Integrated Headphone Driver  
DESCRIPTION  
FEATURES  
•
•
•
AC’97 rev2.2 compliant, 18-bit stereo codec  
The WM9710 is a high-quality stereo audio codec with an  
integrated headphone driver.  
Integrated headphone driver  
Automatic headset detection and switching (for stereo  
headphones / mono phone headsets)  
The device is compliant with the Intel AC’97 Rev 2.2  
specification. It performs full-duplex 18-bit codec functions and  
supports variable sample rates from 8kHz to 48kHz with high  
signal to noise ratio. Analogue mixers are included to mix  
external analogue signals into the playback or record path.  
•
Separately mixed mono output for phone TX path (also  
includes headphone buffer for mono earpiece)  
•
•
•
Multiple channel input mixer  
Mono inputs for phone RX and PCBEEP signals  
The WM9710 allows designers to easily integrate phone  
functions with other audio functions such as MP3 playback and  
voice recording. Mono inputs and outputs are provided to  
connect to an external voice codec. The on-chip headphone  
driver can distinguish between a stereo headphone and mono  
headset, and route the signals accordingly.  
On-chip sample rate conversion, supports rates from 8kHz  
to 48kHz. DAC and ADC rates are fully independent.  
Optional S/PDIF or I2S digital audio output  
3V to 5V operation  
•
•
•
•
Each circuit block can be separately powered on or off  
Optional AC’97 features include 3D sound enhancement,  
primary/secondary mode operation and S/PDIF or I2S output.  
Leadless 7mm × 7mm × 0.9mm QFN or 48-pin TQFP  
package  
The 5-pin bi-directional AC-Link interface transfers control data,  
DAC and ADC words to and from the AC’97 controller. The  
WM9710 is fully operable on 3V or 5V or mixed 3/5V supplies,  
and is packaged in a leadless, chip scale QFN package with  
7mm body size or 48-pin TQFP package.  
APPLICATIONS  
•
•
Personal Digital Assistants and ‘Smartphones’  
WinCE systems  
BLOCK DIAGRAM  
DGND1  
DVDD1  
DGND2  
DVDD2  
CX3D1 CX3D2  
W
WM9710  
ADCNDAC  
(Reg 5Ch)  
MUX  
16 / 32Ohm  
headphone  
HPND  
(Reg 5Ch)  
LINEINVOL (Reg 10h)  
HPVOL  
(Reg 04h)  
CDVOL (Reg 12h)  
M
U
X
HPOUTL  
HPOUTR  
HPGND  
MICVOL (Reg 0Eh)  
3D  
MIXVOL  
(Reg 72h)  
POP  
RECORD  
GAIN  
(Reg 1Ch)  
DIGITAL  
FILTERS  
ADC  
L
DAC  
L
(Reg 20h)  
LINEINL  
LINEINR  
CDL  
MASTER VOL  
(Reg 02h)  
M
U
X
Σ∆  
LINEOUTL  
MODULATION  
CDGND  
CDR  
MIC2  
LINEOUTR  
DACVOL  
(Reg 18h)  
MIC BOOST  
(Reg 0Eh)  
ADC  
R
DAC  
R
MIC SELECT  
(Reg 20h)  
VARIABLE  
RATE AUDIO  
PHONE  
RECORD  
SELECT  
(Reg 1Ah)  
M
U
X
0/20  
dB  
MIX  
M
U
X
MIC1  
(Reg 20h)  
M
U
X
headset autodetect  
HPOUTL  
(Reg 0Ah)  
(Reg 0Ch)  
MONO_OUT  
(TX)  
M
U
X
MONO VOL  
(Reg 06h)  
PSEL  
(Reg 5Ch)  
VREF  
VREFOUT  
AC'97  
INTERFACE  
CLOCK  
OSC  
CONTROL LOGIC  
PHIZ  
(Reg 78h)  
24.576MHz  
WOLFSON MICROELECTRONICS plc  
Production Data, February 2004, Rev 4.1  
www.wolfsonmicro.com  
Copyright 2004 Wolfson Microelectronics plc  
1234567...33

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