WM8786

Pre-Production

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PP Rev 3.0 December 2005

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

RECOMMENDED OPERATING CONDITIONS .....................................................5

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

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

SIGNAL TIMING REQUIREMENTS .......................................................................8

SYSTEM CLOCK TIMING ............................................................................................. 8

AUDIO INTERFACE TIMING – MASTER MODE, PCM DATA ...................................... 8

AUDIO INTERFACE TIMING – SLAVE MODE, PCM DATA ......................................... 9

POWER-ON RESET ................................................................................................... 10

DIGITAL FILTER CHARACTERISTICS ...............................................................11

TERMINOLOGY .......................................................................................................... 11

FILTER RESPONSES ..........................................................................................12

DEVICE DESCRIPTION .......................................................................................15

INTRODUCTION ......................................................................................................... 15

DIGITAL AUDIO INTERFACE ..................................................................................... 15

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

OVERSAMPLING RATIOS AND SIGMA-DELTA MODULATOR FREQUENCY.......... 18

MASTER CLOCK AND AUDIO SAMPLE RATES........................................................ 19

MLCK AND LRCLK PHASE RELATIONSHIP.............................................................. 19

APPLICATIONS INFORMATION .........................................................................20

RECOMMENDED EXTERNAL COMPONENTS .......................................................... 20

PACKAGE DIMENSIONS ....................................................................................21

IMPORTANT NOTICE..........................................................................................22

ADDRESS: .................................................................................................................. 22