WM8786
Pre-Production
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
PP Rev 3.0 December 2005
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
