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WM7132 Datasheet(PDF) 1 Page - Wolfson Microelectronics plc

Part No. WM7132
Description  Bottom Port Analogue Silicon Microphone
Download  12 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM7132 Datasheet(HTML) 1 Page - Wolfson Microelectronics plc

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WM7132, WM7132E
Bottom Port Analogue Silicon Microphone
WOLFSON MICROELECTRONICS plc
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Preliminary Technical Data, October 2012, 2.0
Copyright
2012 Wolfson Microelectronics plc
DESCRIPTION
The WM7132 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
WM7132
incorporates
Wolfson’s
proprietary
CMOS/MEMS membrane technology, offering high reliability
and high performance in a miniature, low-profile package.
The
WM7132
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 WM7132E 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
-
WM7132 - SNR 65dB, Sensitivity +/-3dB
-
WM7132E - SNR 65dB, Sensitivity +/-1dB
Matched performance to top port microphone WM7121
-
Matched sensitivity performance
-
Matched frequency response
-
Matched phase response
Low supply current 200µA
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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