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WM8951LGEFL/R

更新时间： 2024-11-06 21:55:39
品牌 Logo 应用领域
欧胜 - WOLFSON 转换器时钟发生器输入元件
页数 文件大小 规格书
42页 499K
描述
STEREO ADC WITH MICROPHONE INPUT AND CLOCK GENERATOR

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中文翻译

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WM8951LGEFL/R 技术参数

是否Rohs认证： 符合生命周期：Obsolete
包装说明：QCCN, LCC28,.2SQ,20Reach Compliance Code：compliant
风险等级：5.83Is Samacsys：N
最大模拟输入电压：2.1 V转换器类型：A/D CONVERTER
JESD-30 代码：S-PQCC-N28湿度敏感等级：1
位数：32功能数量：2
端子数量：28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：QCCN封装等效代码：LCC28,.2SQ,20
封装形状：SQUARE封装形式：CHIP CARRIER
电源：1.5,3.3 V认证状态：Not Qualified
子类别：Analog to Digital Converters表面贴装：YES
技术：CMOS温度等级：OTHER
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUADBase Number Matches：1

WM8951LGEFL/R 数据手册

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WM8951L  
w
Stereo ADC with Microphone Input and Clock Generator  
DESCRIPTION  
FEATURES  
•
Audio Performance  
The WM8951L is  
a low power stereo ADC with an  
-
-
-
-
ADC SNR 90dB (‘A’ weighted) at 3.3V, 85dB at 1.8V  
Low Power  
1.42 – 3.6V Digital Supply Operation  
1.8 – 3.6V Analogue Supply Operation  
integrated microphone interface and crystal oscillator for  
clock generation. The WM8951L is ideal for voice recorders,  
wireless microphones and games console accessories.  
Stereo line and mono microphone level audio inputs are  
provided, along with a mute function, programmable line  
level volume control and a bias voltage output suitable for  
an electret type microphone.  
•
•
•
•
Sampling Frequency: 8kHz – 96kHz  
Selectable ADC High Pass Filter  
2 or 3-Wire MPU Serial Control Interface  
Programmable Audio Data Interface Modes  
-
-
-
Stereo 24-bit multi-bit sigma delta ADCs are used with  
oversampling decimation filters. Digital audio input word  
lengths from 16-32 bits and sampling rates from 8kHz to  
96kHz are supported.  
I2S, Left, Right Justified or DSP  
16/20/24/32 bit Word Lengths  
Master or Slave Clocking Mode  
•
•
Microphone Input and Electret Bias with Side Tone Mixer  
Available in 5x5mm 28-pin QFN package  
The device is controlled via a 2 or 3 wire serial interface.  
The interface provides access to all features including  
volume controls, mutes and extensive power management  
facilities. The device is available in a small 28 lead 5x5mm  
quad flat leadless package (QFN).  
APPLICATIONS  
•
•
•
Wireless microphones  
Voice recorders  
Games console accessories  
BLOCK DIAGRAM  
Production Data, May 2005, Rev 4.0  
WOLFSON MICROELECTRONICS c  
Copyright 2005 Wolfson Microelectronics plc  
To receive regular email updates, sigup at http://www.wolfsonmicro.com/enews/  
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