Datasheet > WM7121PE

WM7121PE

更新时间： 2022-02-26 14:14:21

品牌	Logo	应用领域
凌云 - CIRRUS		/
页数	文件大小	规格书
12页	704K
描述
Top Port Analog Silicon Microphone

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WM7121PE 数据手册

WM7121PE

Top Port Analog Silicon Microphone

DESCRIPTION

FEATURES

The WM7121P is a low-profile silicon analog microphone. It

offers high Signal to Noise Ratio (SNR) and low power

consumption and is suited to a wide variety of consumer

applications.



High SNR (65dB)

Low variation in sensitivity (±1dB tolerance)

Matched pair with Bottom Port microphone WM7132P

Matched sensitivity, roll-off, and phase response

The WM7121P incorporates Cirrus Logic^®proprietary

CMOS/MEMS membrane technology, offering high reliability

and high performance in a miniature, low-profile package.

The WM7121P is designed to withstand the high

temperatures associated with automated flow solder

assembly processes. (Note that conventional microphones

can be damaged by this process.)



Low current consumption (190µA)

Analog output

Top Port LGA Package

1.5V to 3.7V supply

APPLICATIONS

The WM7121P Top Port microphone offers matched

performance to the WM7132P Bottom Port microphone. The

matched characteristics enable highly accurate sound pick-

up in opposite directions, suitable for noise cancellation and

other DSP algorithms.



Mobile phone handsets

Portable media players

Digital still cameras

Digital video cameras

Bluetooth™ headsets

Portable navigation devices

Portable games consoles

The WM7121P 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

WM7121P

CHARGE

PUMP

AMP

OUTPUT

CMOS MEMS

Transducer

3.76mm x 2.95mm x 1.10mm LGA package

GND

Rev 4.1

MAR ‘16

http://www.cirrus.com

12 3 4 5 6 7...12

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与WM7121PE相关器件

型号	品牌	描述	获取价格	数据表
WM7130A	WOLFSON	Bottom Port Analogue Silicon Microphone	获取价格
WM7130AE	WOLFSON	Bottom Port Analogue Silicon Microphone	获取价格
WM7132	WOLFSON	Bottom Port Analogue Silicon Microphone	获取价格
WM7132	CIRRUS	Bottom Port Analog Silicon Microphone	获取价格
WM7132E	WOLFSON	Bottom Port Analogue Silicon Microphone	获取价格
WM7132PE	CIRRUS	Bottom Port Analog Silicon Microphone	获取价格