WM8746

Production Data

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March 2006, PD Rev 4.0

2

TABLE OF CONTENTS

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

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

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

BLOCK DIAGRAM .................................................................................................1

TABLE OF CONTENTS .........................................................................................2

PIN CONFIGURATION...........................................................................................3

ORDERING INFORMATION ..................................................................................3

PIN DESCRIPTION ................................................................................................4

ABSOLUTE MAXIMUM RATINGS .........................................................................5

DC ELECTRICAL CHARACTERISTICS ........................................................................ 6

AC ELECTRICAL CHARACTERISTICS ........................................................................ 6

TERMINOLOGY ............................................................................................................ 7

MASTER CLOCK TIMING ............................................................................................. 8

DIGITAL AUDIO INTERFACE TIMING.......................................................................... 8

DIGITAL CONTROL INTERFACE ................................................................................. 9

DEVICE DESCRIPTION .......................................................................................10

INTRODUCTION ......................................................................................................... 10

AUDIO DATA SAMPLING RATES............................................................................... 10

DIGITAL AUDIO INTERFACE ..................................................................................... 11

MODES OF OPERATION ........................................................................................... 14

SOFTWARE CONTROL MODES................................................................................ 15

HARDWARE CONTROL MODES ............................................................................... 21

SOFTWARE CONTROL INTERFACE......................................................................... 22

REGISTER MAP...................................................................................................23

DAC FILTER RESPONSES .................................................................................26

DIGITAL DE-EMPHASIS CHARACTERISTICS ...................................................27

RECOMMENDED EXTERNAL COMPONENTS ..................................................28

RECOMMENDED EXTERNAL COMPONENTS VALUES ........................................... 28

DECOUPLING APPLICATIONS INFORMATION ................................................29

SUPPLY PINS DESCRIPTION.................................................................................... 29

DC ELECTRICAL CHARACTERISTICS ...................................................................... 29

DECOUPLING EXAMPLES......................................................................................... 29

RECOMMENDED ANALOGUE LOW-PASS FILTER (OPTIONAL) ....................30

PACKAGE DIMENSIONS ....................................................................................31

IMPORTANT NOTICE ..........................................................................................32

ADDRESS: .................................................................................................................. 32