WM7130AE datasheet(1/12 Pages) WOLFSON

Il numero della parte	WM7130AE

Spiegazioni elettronici	Bottom Port Analogue Silicon Microphone

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Produttore elettronici	WOLFSON [Wolfson Microelectronics plc]

Homepage	http://www.wolfsonmicro.com

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WM7130A, WM7130AE

Bottom Port Analogue Silicon Microphone

WOLFSON MICROELECTRONICS plc

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Pre-Production, April 2012, 3.1

Copyright

2012 Wolfson Microelectronics plc

DESCRIPTION

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.

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.)

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.

FEATURES



High SNR; selectable sensitivity tolerance options

-

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

-

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



Low supply current 140µA



Low profile packaging



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

APPLICATIONS



Mobile phone handsets



Portable media players



Digital still cameras



Digital video cameras



Bluetooth headsets



Portable navigation devices



Portable games consoles

BLOCK DIAGRAM

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