WM8501

Production Data

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PD, Rev 4.2, July 2009

2

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