Datasheet > WM7130A

WM7130A

更新时间： 2022-04-07 10:27:21

品牌	Logo	应用领域
欧胜 - WOLFSON		/
页数	文件大小	规格书
12页	340K
描述
Bottom Port Analogue Silicon Microphone

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WM7130A 数据手册

WM7130A, WM7130AE

Bottom Port Analogue Silicon Microphone

DESCRIPTION

FEATURES



High SNR; selectable sensitivity tolerance options

The WM7130A is a low-profile silicon analogue microphone.

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

consumption and is suited to a wide variety of consumer

applications.

WM7130A - SNR 61dB, Sensitivity +/-3dB

WM7130AE - SNR 61dB, Sensitivity +/-1dB



Low supply current 140µA

Low profile packaging

The WM7130A incorporates Wolfson’s proprietary

CMOS/MEMS membrane technology, offering high reliability

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

The WM7130A is designed to withstand the high

temperatures associated with automated flow solder

assembly processes. (Note that conventional microphones

can be damaged by this process.)

Support for automated flow solder assembly

Analogue output

Bottom Port Package

1.5V to 3.7V supply

3.76mm x 3.00mm x 1.10mm Package

The WM7130AE variant offers a tighter 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.

APPLICATIONS



Mobile phone handsets

Portable media players

Digital still cameras

Digital video cameras

Bluetooth headsets

Portable navigation devices

Portable games consoles

BLOCK DIAGRAM

Pre-Production, April 2012, 3.1

WOLFSON MICROELECTRONICS plc

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12 3 4 5 6 7...12

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