WM5102 datasheet(3/334 Pages) WOLFSON

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Production Data

WM5102

PD, June 2014, Rev 4.2

TABLE OF CONTENTS

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

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

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

BLOCK DIAGRAM ......................................................................................................... 2

TABLE OF CONTENTS.................................................................................................. 3

PIN CONFIGURATION ................................................................................................... 7

ORDERING INFORMATION........................................................................................... 7

PIN DESCRIPTION......................................................................................................... 8

ABSOLUTE MAXIMUM RATINGS ............................................................................... 13

RECOMMENDED OPERATING CONDITIONS............................................................ 14

ELECTRICAL CHARACTERISTICS ............................................................................ 15

TERMINOLOGY......................................................................................................................... 26

THERMAL CHARACTERISTICS.................................................................................. 27

TYPICAL PERFORMANCE.......................................................................................... 28

TYPICAL POWER CONSUMPTION ......................................................................................... 28

TYPICAL SIGNAL LATENCY .................................................................................................... 29

SIGNAL TIMING REQUIREMENTS ............................................................................. 30

SYSTEM CLOCK & FREQUENCY LOCKED LOOP (FLL)....................................................... 30

AUDIO INTERFACE TIMING..................................................................................................... 32

DIGITAL MICROPHONE (DMIC) INTERFACE TIMING................................................................................................................32

DIGITAL SPEAKER (PDM) INTERFACE TIMING.........................................................................................................................33

DIGITAL AUDIO INTERFACE - MASTER MODE .........................................................................................................................34

DIGITAL AUDIO INTERFACE - SLAVE MODE.............................................................................................................................35

DIGITAL AUDIO INTERFACE - TDM MODE ................................................................................................................................36

CONTROL INTERFACE TIMING .............................................................................................. 37

2-WIRE (I2C) CONTROL MODE ...................................................................................................................................................37

4-WIRE (SPI) CONTROL MODE...................................................................................................................................................38

SLIMBUS INTERFACE TIMING ................................................................................................ 39

DEVICE DESCRIPTION ............................................................................................... 41

INTRODUCTION........................................................................................................................ 41

HI-FI AUDIO CODEC.....................................................................................................................................................................41

DIGITAL AUDIO CORE .................................................................................................................................................................42

DIGITAL INTERFACES .................................................................................................................................................................42

OTHER FEATURES ......................................................................................................................................................................43

INPUT SIGNAL PATH................................................................................................................ 44

ANALOGUE MICROPHONE INPUT .............................................................................................................................................45

ANALOGUE LINE INPUT ..............................................................................................................................................................46

DIGITAL MICROPHONE INPUT ...................................................................................................................................................46

INPUT SIGNAL PATH ENABLE ....................................................................................................................................................48

INPUT SIGNAL PATH SAMPLE RATE CONTROL.......................................................................................................................49

INPUT SIGNAL PATH CONFIGURATION ....................................................................................................................................49

INPUT SIGNAL PATH DIGITAL VOLUME CONTROL..................................................................................................................53

DIGITAL MICROPHONE INTERFACE PULL-DOWN ...................................................................................................................57

DIGITAL CORE .......................................................................................................................... 58

DIGITAL CORE MIXERS...............................................................................................................................................................60

DIGITAL CORE INPUTS ...............................................................................................................................................................63

DIGITAL CORE OUTPUT MIXERS ...............................................................................................................................................64

MIC MUTE MIXER.........................................................................................................................................................................67

5-BAND PARAMETRIC EQUALISER (EQ) ...................................................................................................................................68

DYNAMIC RANGE CONTROL (DRC)...........................................................................................................................................73

LOW PASS / HIGH PASS DIGITAL FILTER (LHPF).....................................................................................................................83

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