WM8501
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
MASTER CLOCK TIMING.................................................................................................. 7
DIGITAL AUDIO INTERFACE............................................................................................ 7
DEVICE DESCRIPTION..............................................................................................9
GENERAL INTRODUCTION.............................................................................................. 9
DAC CIRCUIT DESCRIPTION ........................................................................................... 9
CLOCKING SCHEMES .....................................................................................................10
DIGITAL AUDIO INTERFACE...........................................................................................10
AUDIO DATA SAMPLING RATES.....................................................................................12
HARDWARE CONTROL MODES .....................................................................................12
DIGITAL FILTER CHARACTERISTICS....................................................................14
DAC FILTER RESPONSES...............................................................................................14
DIGITAL DE-EMPHASIS CHARACTERISTICS........................................................15
APPLICATIONS INFORMATION ..............................................................................16
RECOMMENDED EXTERNAL COMPONENTS .......................................................16
POWER UP/DOWN SEQUENCE......................................................................................17
RECOMMENDED ANALOGUE LOW PASS FILTER ........................................................17
PCB LAYOUT RECOMMENDATIONS..............................................................................18
PACKAGE DRAWING...............................................................................................19
IMPORTANT NOTICE...............................................................................................20
ADDRESS: ........................................................................................................................20
PD, Rev 4.2, July 2009
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
