WM8786

2

Rev 4.4

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

SINGLE RATE 48K................................................................................................................12

DUAL RATE 96K ...................................................................................................................13

QUAD RATE 192K ................................................................................................................15

HIGH PASS FILTER..............................................................................................................16

DEVICE DESCRIPTION ............................................................................................... 18

INTRODUCTION ...................................................................................................................18

DIGITAL AUDIO INTERFACE ...............................................................................................18

MASTER AND SLAVE MODE OPERATION ............................................................................................................................ 18

AUDIO DATA FORMATS ......................................................................................................................................................... 19

AUDIO INTERFACE CONTROL............................................................................................................................................... 21

OVERSAMPLING RATIOS AND SIGMA-DELTA MODULATOR FREQUENCY ....................21

MASTER CLOCK AND AUDIO SAMPLE RATES..................................................................22

MLCK AND LRCLK PHASE RELATIONSHIP ........................................................................22

APPLICATIONS INFORMATION.................................................................................. 23

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

RECOMMENDED PCB LAYOUT...........................................................................................24

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

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

REVISION HISTORY .................................................................................................... 27