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WM7231E Datasheet(PDF) 2 Page - Wolfson Microelectronics plc

Part No. WM7231E
Description  Bottom Port Digital Silicon Microphone
Download  14 Pages
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Maker  WOLFSON [Wolfson Microelectronics plc]
Homepage  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM7231E Datasheet(HTML) 2 Page - Wolfson Microelectronics plc

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WM7231
Pre-Production
w
PP, Rev 3.0, January 2014
2
TABLE OF CONTENTS
DESCRIPTION....................................................................................................... 1 
FEATURES ............................................................................................................ 1 
APPLICATIONS..................................................................................................... 1 
BLOCK DIAGRAM ................................................................................................ 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............................................................................................................... 6 
AUDIO INTERFACE TIMING ........................................................................................... 7 
TYPICAL PERFORMANCE ................................................................................... 8 
FREQUENCY RESPONSE .............................................................................................. 8 
THD RATIO ...................................................................................................................... 8 
APPLICATIONS INFORMATION .......................................................................... 9 
RECOMMENDED EXTERNAL COMPONENTS .............................................................. 9 
OPTIMISED SYSTEM RF DESIGN ................................................................................. 9 
CONNECTION TO A WOLFSON AUDIO CODEC .......................................................... 9 
RECOMMENDED PCB LAND PATTERNS ................................................................... 10 
PACKAGE DIMENSIONS (LGA)......................................................................... 11 
IMPORTANT NOTICE ......................................................................................... 12 
ADDRESS: ..................................................................................................................... 12 
REVISION HISTORY ........................................................................................... 13 


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