WM7230 WOLFSON [Wolfson Microelectronics plc], WM7230 Datasheet - Page 2

• Manufacturer Part Number: WM7230
• Description: Bottom Port Digital Silicon Microphone
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

WM7230
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
TYPICAL PERFORMANCE ................................................................................... 7
APPLICATIONS INFORMATION .......................................................................... 8
PACKAGE DIMENSIONS (LGA) ......................................................................... 10
IMPORTANT NOTICE ......................................................................................... 11
REVISION HISTORY ........................................................................................... 12
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TERMINOLOGY ............................................................................................................... 5
AUDIO INTERFACE TIMING ........................................................................................... 6
FREQUENCY RESPONSE .............................................................................................. 7
THD RATIO ...................................................................................................................... 7
RECOMMENDED EXTERNAL COMPONENTS .............................................................. 8
OPTIMISED SYSTEM RF DESIGN ................................................................................. 8
CONNECTION TO A WOLFSON AUDIO CODEC .......................................................... 8
RECOMMENDED PCB LAND PATTERNS ..................................................................... 9
ADDRESS: ..................................................................................................................... 11
TABLE OF CONTENTS
PTD, Rev 2.4, October 2012
Preliminary Technical Data
2