WM8706

Production Data

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PD Rev 4.1 July 2005

2

TABLE OF CONTENTS

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

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

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

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

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

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

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

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

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

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

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

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

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

MPU INTERFACE TIMING ................................................................................................. 9

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

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

CLOCKING SCHEMES .....................................................................................................10

DIGITAL AUDIO INTERFACE ...........................................................................................10

AUDIO DATA SAMPLING RATES.....................................................................................13

HARDWARE CONTROL MODES .....................................................................................13

SOFTWARE CONTROL INTERFACE...............................................................................15

REGISTER MAP ...............................................................................................................16

ATTENUATION CONTROL...............................................................................................18

DIGITAL FILTER CHARACTERISTICS ....................................................................21

DAC FILTER RESPONSES...............................................................................................21

DIGITAL DE-EMPHASIS CHARACTERISTICS ........................................................22

RECOMMENDED EXTERNAL COMPONENTS .......................................................23

RECOMMENDED EXTERNAL COMPONENT VALUES ...................................................23

RECOMMENDED ANALOGUE LOW PASS FILTER (OPTIONAL) .........................24

PACKAGE DIMENSIONS .........................................................................................25

IMPORTANT NOTICE ...............................................................................................26

ADDRESS: ........................................................................................................................26