WM8591
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TABLE OF CONTENTS
DESCRIPTION .......................................................................................................1
FEATURES.............................................................................................................1
APPLICATIONS .....................................................................................................1
BLOCK DIAGRAM .................................................................................................1
TABLE OF CONTENTS .........................................................................................2
PIN CONFIGURATION...........................................................................................3
ORDERING INFORMATION ..................................................................................3
ABSOLUTE MAXIMUM RATINGS.........................................................................5
ELECTRICAL CHARACTERISTICS ......................................................................6
TERMINOLOGY............................................................................................................ 8
MASTER CLOCK TIMING......................................................................................9
DIGITAL AUDIO INTERFACE – MASTER MODE......................................................... 9
DIGITAL AUDIO INTERFACE – SLAVE MODE .......................................................... 10
CONTROL INTERFACE TIMING – 2-WIRE SERIALCONTROL................................. 12
DEVICE DESCRIPTION.......................................................................................13
INTRODUCTION......................................................................................................... 13
AUDIO DATA SAMPLING RATES............................................................................... 13
ZERO DETECT ........................................................................................................... 15
POWERDOWN MODES ............................................................................................. 15
INTERNAL POWER ON RESET CIRCUIT.................................................................. 16
DIGITAL AUDIO INTERFACE..................................................................................... 18
CONTROL INTERFACE OPERATION........................................................................ 22
CONTROL INTERFACE REGISTERS ........................................................................ 23
ADC/DAC SYNCHRONIZATION................................................................................. 32
LIMITER / AUTOMATIC LEVEL CONTROL (ALC)...................................................... 33
REGISTER MAP ......................................................................................................... 37
DIGITAL FILTER CHARACTERISTICS...............................................................44
DAC FILTER RESPONSES......................................................................................... 45
ADC FILTER RESPONSES......................................................................................... 46
ADC HIGH PASS FILTER ........................................................................................... 46
DIGITAL DE-EMPHASIS CHARACTERISTICS........................................................... 47
APPLICATIONS INFORMATION .........................................................................48
RECOMMENDED EXTERNAL COMPONENTS.......................................................... 48
PACKAGE DIMENSIONS ....................................................................................49
IMPORTANT NOTICE..........................................................................................50
ADDRESS: .................................................................................................................. 50
PP Rev 1.0 May 2005
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
