WM7231E datasheet(2/14 Pages) WOLFSON

2 / 14 page

WM7231

Pre-Production

PP, Rev 3.0, January 2014

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

WM7231E Fiches technique(PDF) 2 Page - Wolfson Microelectronics plc