WM8786
Production Data
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
PD Rev 4.2 February 2007
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
