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WM7216IMSE/RV

更新时间： 2024-09-21 19:55:59
品牌 Logo 应用领域
凌云 - CIRRUS 商用集成电路
页数 文件大小 规格书
14页 690K
描述
Consumer Circuit, CMOS, 4 X 3 MM, 1 MM HEIGHT, 0.85 MM PITCH, HALOGEN AND LEAD FREE, LGA-5

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WM7216IMSE/RV 技术参数

是否Rohs认证： 符合生命周期：Obsolete
包装说明：4 X 3 MM, 1 MM HEIGHT, 0.85 MM PITCH, HALOGEN AND LEAD FREE, LGA-5Reach Compliance Code：compliant
HTS代码：8542.39.00.01风险等级：5.82
商用集成电路类型：CONSUMER CIRCUITJESD-30 代码：R-XBGA-B5
长度：4 mm功能数量：1
端子数量：5最高工作温度：100 °C
最低工作温度：-40 °C封装主体材料：UNSPECIFIED
封装代码：TLGA封装形状：RECTANGULAR
封装形式：GRID ARRAY, THIN PROFILE座面最大高度：1.1 mm
最大供电电压 (Vsup)：2 V最小供电电压 (Vsup)：1.62 V
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子形式：BUTT
端子节距：0.85 mm端子位置：BOTTOM
宽度：3 mmBase Number Matches：1

WM7216IMSE/RV 数据手册

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WM7216E  
Low Power Top Port Digital Silicon Microphone  
DESCRIPTION  
FEATURES  
The WM7216 is a low-profile digital silicon microphone,  
optimised for use with low-power ‘Always-on’ voice control  
applications, such as Cirrus Logic® SoundClear™  
software.  
High SNR (63dB)  
Low variation in sensitivity (±1dB tolerance)  
Low current consumption  
-
-
-
10μA (Sleep)  
The WM7216 supports two operational modes, selected  
according to the applied clock frequency. ‘Voice’ mode  
provides low current consumption, and sufficient SNR  
performance for speech recognition algorithms. ‘Hi-Fi  
Record’ mode offers wide dynamic range, and class-  
leading THD performance. Operation in the ultrasonic  
band is also supported at high clock frequencies.  
290μA (Voice mode)  
980μA (Hi-Fi Record mode)  
PDM digital audio output  
Stereo/array operation  
Proprietary ADC technology  
-
-
-
Reduced clock-jitter sensitivity  
Low noise floor  
The WM7216 incorporates Cirrus Logic proprietary  
CMOS/MEMS membrane technology, offering high  
reliability and high performance in a miniature, low-profile  
package. The WM7216 is designed to withstand the high  
temperatures associated with automated flow solder  
assembly processes. (Note that conventional microphones  
can be damaged by this process.)  
Stable in overload condition  
Top Port LGA Package  
1.62V to 2.0V supply  
APPLICATIONS  
The WM7216 incorporates  
a high-performance ADC,  
which outputs a single-bit data stream using Pulse Density  
Modulation (PDM) encoding. The WM7216 supports  
selectable left/right channel assignment for a two-channel  
digital microphone interface, enabling efficient connection  
of multiple microphones in stereo/array configurations.  
Mobile telephone handsets  
Wearable devices  
Portable media players  
Digital cameras  
Tablets and laptop computers  
The WM7216 offers tight tolerance on the microphone  
sensitivity, giving reduced variation between parts. This  
removes the need for in-line production calibration of part-  
to-part microphone variations.  
BLOCK DIAGRAM  
3D VIEW  
VDD  
WM7216  
CLK  
CHARGE  
PUMP  
CONTROL  
DAT  
LRSEL  
AMP  
ADC  
CMOS MEMS  
Transducer  
GND  
4.00mm x 3.00mm x 1.00mm LGA package  
Rev 4.0  
MAY ‘16  
Copyright Cirrus Logic, Inc., 2014–2016  
http://www.cirrus.com  
(All Rights Reserved)  
 
 
 
 
 
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