WM8521

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PP Rev 1.3 December 2004

2

TABLE OF CONTENTS

DESCRIPTION .......................................................................................................1

FEATURES.............................................................................................................1

APPLICATIONS .....................................................................................................1

BLOCK DIAGRAM .................................................................................................1

PIN CONFIGURATION...........................................................................................3

ORDERING INFORMATION ..................................................................................3

ABSOLUTE MAXIMUM RATINGS .........................................................................5

DC ELECTRICAL CHARACTERISTICS ................................................................6

ELECTRICAL CHARACTERISTICS ......................................................................6

TERMINOLOGY............................................................................................................. 7

MASTER CLOCK TIMING.............................................................................................. 8

DIGITAL AUDIO INTERFACE........................................................................................ 8

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................................................................................ 13

DIGITAL FILTER CHARACTERISTICS ....................................................................... 15

DAC FILTER RESPONSES ......................................................................................... 15

DIGITAL DE-EMPHASIS CHARACTERISTICS ........................................................... 16

APPLICATIONS INFORMATION .........................................................................17

RECOMMENDED EXTERNAL COMPONENTS........................................................... 17

RECOMMENDED EXTERNAL COMPONENTS VALUES............................................ 17

RECOMMENDED ANALOGUE LOW PASS FILTER ................................................... 18

PCB LAYOUT RECOMMENDATIONS......................................................................... 18

PACKAGE DRAWING..........................................................................................19

IMPORTANT NOTICE ..........................................................................................20

ADDRESS:................................................................................................................... 20