WM8741 datasheet(3/66 Pages) CIRRUS

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Production Data

WM8741

PD, Rev 4.3, February 2013

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 .............................................................. 50

PCM MODE FILTER CHARACTERISTICS................................................................... 50

8FS MODE FILTER CHARACTERISTICS .................................................................... 52

DSD PLUS MODE FILTER CHARACTERISTICS......................................................... 53

PCM MODE FILTER RESPONSES .............................................................................. 54

8FS MODE FILTER RESPONSES................................................................................ 59

DSD PLUS MODE FILTER RESPONSES .................................................................... 59

DSD DIRECT MODE FILTER RESPONSES ................................................................ 60

DEEMPHASIS FILTER RESPONSES........................................................................... 62

APPLICATIONS INFORMATION ........................................................................ 63

PACKAGE DIMENSIONS.................................................................................... 64

IMPORTANT NOTICE ......................................................................................... 65

ADDRESS: .................................................................................................................... 65

REVISION HISTORY ........................................................................................... 66

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