WM8775

Production Data

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PD Rev 4.1, June 2006

2

TABLE OF CONTENTS

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

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

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

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

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

PIN DESCRIPTION .........................................................................................................4

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

RECOMMENDED OPERATING CONDITIONS ..............................................................5

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

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

MASTER CLOCK TIMING...............................................................................................7

DIGITAL AUDIO INTERFACE – MASTER MODE ...................................................................8

DIGITAL AUDIO INTERFACE – SLAVE MODE ......................................................................9

3-WIRE MPU INTERFACE TIMING ......................................................................................10

2-WIRE MPU INTERFACE TIMING ......................................................................................10

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

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

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

AUDIO DATA SAMPLING RATES.........................................................................................14

POWERDOWN MODES .......................................................................................................15

DIGITAL AUDIO INTERFACE ...............................................................................................16

CONTROL INTERFACE OPERATION ..................................................................................20

CONTROL INTERFACE REGISTERS ..................................................................................21

LIMITER / AUTOMATIC LEVEL CONTROL (ALC) ................................................................26

REGISTER MAP ...................................................................................................................31

DIGITAL FILTER CHARACTERISTICS ........................................................................35

ADC FILTER RESPONSES...................................................................................................35

ADC HIGH PASS FILTER .....................................................................................................35

APPLICATIONS INFORMATION ..................................................................................36

EXTERNAL CIRCUIT CONFIGURATION .............................................................................36

RECOMMENDED EXTERNAL COMPONENTS ....................................................................37

PACKAGE DIMENSIONS .............................................................................................38

IMPORTANT NOTICE ...................................................................................................39

ADDRESS: ............................................................................................................................39