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WM7132PE 반도체 회로 부품 판매점

Bottom Port Analog Silicon Microphone



Cirrus Logic 로고
Cirrus Logic
WM7132PE 데이터시트, 핀배열, 회로
WM7132PE
Bottom Port Analog Silicon Microphone
DESCRIPTION
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.
The WM7132P incorporates Cirrus proprietary
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.)
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.
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.
FEATURES
High SNR (65dB)
Low variation in sensitivity (±1dB tolerance)
Matched pair with Top Port microphone WM7121P
- Matched sensitivity, roll-off, and phase response
Low current consumption (190µA)
Analog output
Bottom Port LGA Package
1.5V to 3.7V supply
APPLICATIONS
Mobile phone handsets
Portable media players
Digital still cameras
Digital video cameras
Bluetooth headsets
Portable navigation devices
Portable games consoles
BLOCK DIAGRAM
WM7132P
VDD
CHARGE
PUMP
3D VIEW
CMOS MEMS
Transducer
AMP
GND
OUTPUT
3.76mm x 3.00mm x 1.10mm LGA package
http://www.cirrus.com
Copyright Cirrus Logic, Inc., 20142015
(All Rights Reserved)
Rev 4.0
MAR ‘15


WM7132PE 데이터시트, 핀배열, 회로
TABLE OF CONTENTS
WM7132PE
DESCRIPTION................................................................................................................ 1
FEATURES..................................................................................................................... 1
APPLICATIONS ............................................................................................................. 1
BLOCK DIAGRAM ......................................................................................................... 1
3D VIEW ......................................................................................................................... 1
TABLE OF CONTENTS.................................................................................................. 2
PIN CONFIGURATION ................................................................................................... 3
PIN DESCRIPTION......................................................................................................... 3
ORDERING INFORMATION........................................................................................... 3
ABSOLUTE MAXIMUM RATINGS ................................................................................. 4
IMPORTANT ASSEMBLY GUIDELINES ....................................................................... 4
RECOMMENDED OPERATING CONDITIONS.............................................................. 4
ACOUSTIC AND ELECTRICAL CHARACTERISTICS .................................................. 5
TERMINOLOGY .........................................................................................................................5
TYPICAL PERFORMANCE............................................................................................ 6
APPLICATIONS INFORMATION ................................................................................... 7
RECOMMENDED EXTERNAL COMPONENTS........................................................................7
OPTIMISED SYSTEM RF DESIGN ...........................................................................................7
CONNECTION TO A CIRRUS AUDIO CODEC.........................................................................8
MATCHED MICROPHONE PAIRS ............................................................................................8
PCB LAND PATTERN AND PASTE STENCIL ..........................................................................9
PACKAGE DIMENSIONS............................................................................................. 10
IMPORTANT NOTICE .................................................................................................. 11
REVISION HISTORY .................................................................................................... 12
2 Rev 4.0




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WM7132PE

Bottom Port Analog Silicon Microphone - Cirrus Logic