WM8510
TABLE OF CONTENTS
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DESCRIPTION .......................................................................................................1
FEATURES.............................................................................................................1
APPLICATIONS .....................................................................................................1
PIN CONFIGURATION...........................................................................................3
ORDERING INFORMATION ..................................................................................3
PIN DESCRIPTION ................................................................................................4
ABSOLUTE MAXIMUM RATINGS.........................................................................5
RECOMMENDED OPERATING CONDITIONS .....................................................5
ELECTRICAL CHARACTERISTICS ......................................................................6
TERMINOLOGY ............................................................................................................ 8
SIGNAL TIMING REQUIREMENTS .......................................................................9
SYSTEM CLOCK TIMING ............................................................................................. 9
AUDIO INTERFACE TIMING – MASTER MODE .......................................................... 9
AUDIO INTERFACE TIMING – SLAVE MODE............................................................ 10
CONTROL INTERFACE TIMING – 3-WIRE MODE .................................................... 11
CONTROL INTERFACE TIMING – 2-WIRE MODE .................................................... 12
DEVICE DESCRIPTION.......................................................................................13
INTRODUCTION ......................................................................................................... 13
INPUT SIGNAL PATH ................................................................................................. 14
ANALOGUE TO DIGITAL CONVERTER (ADC).......................................................... 19
INPUT LIMITER / AUTOMATIC LEVEL CONTROL (ALC) .......................................... 22
OUTPUT SIGNAL PATH ............................................................................................. 26
ANALOGUE OUTPUTS............................................................................................... 30
OUTPUT SWITCH ...................................................................................................... 34
DIGITAL AUDIO INTERFACES................................................................................... 37
AUDIO SAMPLE RATES ............................................................................................. 43
MASTER CLOCK AND PHASE LOCKED LOOP (PLL) ............................................... 44
GENERAL PURPOSE INPUT/OUTPUT...................................................................... 46
CONTROL INTERFACE.............................................................................................. 46
RESETTING THE CHIP .............................................................................................. 47
POWER SUPPLIES .................................................................................................... 47
POWER MANAGEMENT ............................................................................................ 49
REGISTER MAP...................................................................................................50
DIGITAL FILTER CHARACTERISTICS ...............................................................51
TERMINOLOGY .......................................................................................................... 51
DAC FILTER RESPONSES......................................................................................... 52
ADC FILTER RESPONSES......................................................................................... 52
DE-EMPHASIS FILTER RESPONSES........................................................................ 53
HIGHPASS FILTER..................................................................................................... 54
PACKAGE DIAGRAM ..........................................................................................55
IMPORTANT NOTICE ..........................................................................................56
ADDRESS ................................................................................................................... 56
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PP Rev 1.2 December 2004
2
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
