Datasheet > WM7132PE

WM7132PE

更新时间： 2022-02-26 14:33:12

品牌	Logo	应用领域
凌云 - CIRRUS		/
页数	文件大小	规格书
12页	727K
描述
Bottom Port Analog Silicon Microphone

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WM7132PE 数据手册

WM7132PE

Bottom Port Analog Silicon Microphone

DESCRIPTION

FEATURES

The WM7132P 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 Top Port microphone WM7121P

Matched sensitivity, roll-off, and phase response

The

WM7132P

incorporates

Cirrus

proprietary



Low current consumption (190µA)

Analog output

CMOS/MEMS membrane technology, offering high reliability

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

The WM7132P is designed to withstand the high

temperatures associated with automated flow solder

assembly processes. (Note that conventional microphones

can be damaged by this process.)

Bottom Port LGA Package

1.5V to 3.7V supply

APPLICATIONS

The WM7132P Bottom Port microphone offers matched

performance to the WM7121P Top 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

The WM7132P offers a 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.

Portable navigation devices

Portable games consoles

BLOCK DIAGRAM

3D VIEW

VDD

WM7132P

CHARGE

PUMP

AMP

OUTPUT

CMOS MEMS

Transducer

3.76mm x 3.00mm x 1.10mm LGA package

GND

Rev 4.0

MAR ‘15

http://www.cirrus.com

12 3 4 5 6 7...12

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