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