WM8737L

Preliminary Technical Data

w

AI Rev 3.0 May 2004

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

TERMINOLOGY............................................................................................................. 8

NOTES...........................................................................................................................8

POWER CONSUMPTION ......................................................................................9

SIGNAL TIMING REQUIREMENTS .....................................................................11

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

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

INPUT SIGNAL PATH.................................................................................................. 14

ANALOGUE TO DIGITAL CONVERTER (ADC) .......................................................... 19

3D STEREO ENHANCEMENT..................................................................................... 20

AUTOMATIC LEVEL CONTROL (ALC) ....................................................................... 21

DIGITAL AUDIO INTERFACE...................................................................................... 24

MASTER CLOCK AND AUDIO SAMPLE RATES ........................................................ 28

CONTROL INTERFACE .............................................................................................. 30

POWER SUPPLIES ..................................................................................................... 31

POWER MANAGEMENT ............................................................................................. 31

REGISTER MAP...................................................................................................32

DIGITAL FILTER CHARACTERISTICS ...............................................................33

TERMINOLOGY........................................................................................................... 33

APPLICATIONS INFORMATION .........................................................................35

LINE INPUT CONFIGURATION................................................................................... 35

MICROPHONE INPUT CONFIGURATION .................................................................. 35

RECOMMENDED EXTERNAL COMPONENTS ..................................................36

PACKAGE DIMENSIONS ....................................................................................37

IMPORTANT NOTICE ..........................................................................................38

ADDRESS:................................................................................................................... 38