WM8786

Production Data

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PD Rev 4.2 February 2007

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

HIGH PASS FILTER TRANSFER CHARACTERISTIC................................................ 11

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

DEVICE DESCRIPTION .......................................................................................16

INTRODUCTION ......................................................................................................... 16

DIGITAL AUDIO INTERFACE ..................................................................................... 16

AUDIO INTERFACE CONTROL.................................................................................. 19

OVERSAMPLING RATIOS AND SIGMA-DELTA MODULATOR FREQUENCY.......... 19

MASTER CLOCK AND AUDIO SAMPLE RATES........................................................ 20

MLCK AND LRCLK PHASE RELATIONSHIP.............................................................. 20

APPLICATIONS INFORMATION .........................................................................21

RECOMMENDED EXTERNAL COMPONENTS .......................................................... 21

RECOMMENDED PCB LAYOUT ................................................................................ 22

PACKAGE DIMENSIONS ....................................................................................23

IMPORTANT NOTICE..........................................................................................24

ADDRESS: .................................................................................................................. 24