WM8741GEDSSLASHV datasheet(3/64 Pages) WOLFSON

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Production Data

WM8741

PD, Rev 4.2, October 2009

TABLE OF CONTENTS

DESCRIPTION .......................................................................................................1

FEATURES.............................................................................................................1

APPLICATIONS .....................................................................................................1

BLOCK DIAGRAM .................................................................................................2

TABLE OF CONTENTS .........................................................................................3

PIN CONFIGURATION...........................................................................................4

ORDERING INFORMATION ..................................................................................4

PIN DESCRIPTION (SOFTWARE CONTROL MODE) ..........................................5

PIN DESCRIPTION (HARDWARE CONTROL MODE)..........................................7

ABSOLUTE MAXIMUM RATINGS.........................................................................9

THERMAL PERFORMANCE .................................................................................9

RECOMMENDED OPERATING CONDITIONS ...................................................10

ELECTRICAL CHARACTERISTICS ....................................................................10

MASTER CLOCK TIMING ........................................................................................... 12

PCM DIGITAL AUDIO INTERFACE TIMINGS............................................................. 12

DSD AUDIO INTERFACE TIMINGS............................................................................ 13

CONTROL INTERFACE TIMING – 3-WIRE MODE .................................................... 14

CONTROL INTERFACE TIMING – 2-WIRE MODE .................................................... 15

INTERNAL POWER ON RESET CIRCUIT.................................................................. 16

DEVICE DESCRIPTION.......................................................................................18

INTRODUCTION ......................................................................................................... 18

CLOCKING SCHEMES ............................................................................................... 18

CONTROL INTERFACE.............................................................................................. 18

SOFTWARE CONTROL INTERFACE......................................................................... 19

DIGITAL AUDIO INTERFACE ..................................................................................... 21

DSD MODE ................................................................................................................. 27

SOFTWARE CONTROL MODE .................................................................................. 28

HARDWARE CONTROL MODE.................................................................................. 39

OVERVIEW OF FUNCTIONS...............................................................................43

DIGITAL FILTER CHARACTERISTICS ...............................................................49

PCM MODE FILTER CHARACTERISTICS ................................................................. 49

8FS MODE FILTER CHARACTERISTICS................................................................... 51

DSD PLUS MODE FILTER CHARACTERISTICS ....................................................... 52

PCM MODE FILTER RESPONSES............................................................................. 53

8FS MODE FILTER RESPONSES .............................................................................. 58

DSD PLUS MODE FILTER RESPONSES................................................................... 58

DSD DIRECT MODE FILTER RESPONSES............................................................... 59

DEEMPHASIS FILTER RESPONSES ......................................................................... 61

APPLICATIONS INFORMATION .........................................................................62

PACKAGE DIMENSIONS ....................................................................................63

IMPORTANT NOTICE ..........................................................................................64

ADDRESS: .................................................................................................................. 64

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