WM8718

Production Data

w

PD Rev 4.3 November 2006

2

TABLE OF CONTENTS

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

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

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

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

TABLE OF CONTENTS ..............................................................................................2

PIN CONFIGURATION – 20 LEAD SSOP ..................................................................3

ORDERING INFORMATION – 20 LEAD SSOP..........................................................3

PIN CONFIGURATION – 24 LEAD QFN.....................................................................4

ORDERING INFORMATION – 24 LEAD QFN ............................................................4

PIN DESCRIPTION – 20 LEAD SSOP........................................................................5

PIN DESCRIPTION – 24 LEAD QFN ..........................................................................6

ABSOLUTE MAXIMUM RATINGS ..............................................................................7

DC ELECTRICAL CHARACTERISTICS .....................................................................8

ELECTRICAL CHARACTERISTICS ...........................................................................8

TERMINOLOGY ................................................................................................................. 9

MASTER CLOCK TIMING .................................................................................................10

DIGITAL AUDIO INTERFACE TIMINGS ...........................................................................10

3-WIRE SERIAL CONTROL INTERFACE TIMING ...........................................................11

INTERNAL POWER ON RESET CIRCUIT ...............................................................12

DEVICE DESCRIPTION ............................................................................................14

INTRODUCTION ...............................................................................................................14

CLOCKING SCHEMES .....................................................................................................14

DIGITAL AUDIO INTERFACE ...........................................................................................14

AUDIO DATA SAMPLING RATES.....................................................................................16

REGISTER MAP ...............................................................................................................18

DIGITAL FILTER CHARACTERISTICS.............................................................................24

DAC FILTER RESPONSES...............................................................................................24

DIGITAL DE-EMPHASIS CHARACTERISTICS ........................................................25

TYPICAL PERFORMANCE.......................................................................................26

APPLICATIONS INFORMATION ..............................................................................27

RECOMMENDED EXTERNAL COMPONENTS – 20 LEAD SSOP ...................................27

RECOMMENDED EXTERNAL COMPONENTS – 24 LEAD QFN .....................................28

RECOMMENDED EXTERNAL COMPONENTS VALUES .................................................28

RECOMMENDED ANALOGUE LOW PASS FILTER FOR PCM DATA FORMAT

(OPTIONAL)......................................................................................................................29

PACKAGE DIMENSIONS – 20 LEAD SSOP............................................................30

PACKAGE DIMENSIONS – 24 LEAD QFN ..............................................................31

IMPORTANT NOTICE ...............................................................................................32

ADDRESS: ........................................................................................................................32