WM8959 datasheet(2/155 Pages) WOLFSON

2 / 155 page

WM8959

Pre-Production

PP, May 2008, Rev 3.1

TABLE OF CONTENTS

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

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

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

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

BLOCK DIAGRAM ........................................................................................................... 3

PIN CONFIGURATION..................................................................................................... 4

ORDERING INFORMATION ............................................................................................ 4

PIN DESCRIPTION .......................................................................................................... 5

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

RECOMMENDED OPERATING CONDITIONS................................................................ 7

THERMAL PERFORMANCE............................................................................................ 8

SPEAKER POWER DE-RATING CURVE ........................................................................ 9

ELECTRICAL CHARACTERISTICS............................................................................... 11

TERMINOLOGY ............................................................................................................. 20

TYPICAL POWER CONSUMPTION............................................................................... 21

SPEAKER DRIVER PERFORMANCE............................................................................ 22

HEADPHONE DRIVER PERFORMANCE ...................................................................... 22

PSRR PERFORMANCE ................................................................................................. 23

AUDIO SIGNAL PATHS ................................................................................................. 25

SIGNAL TIMING REQUIREMENTS ............................................................................... 26

SYSTEM CLOCK TIMING .............................................................................................................26

AUDIO INTERFACE TIMING – MASTER MODE .........................................................................27

AUDIO INTERFACE TIMING – SLAVE MODE.............................................................................28

CONTROL INTERFACE TIMING – 2-WIRE MODE .....................................................................29

CONTROL INTERFACE TIMING – 3-WIRE MODE .....................................................................30

CONTROL INTERFACE TIMING – 4-WIRE MODE .....................................................................31

INTERNAL POWER ON RESET CIRCUIT ..................................................................... 32

DEVICE DESCRIPTION ................................................................................................. 34

INTRODUCTION ...........................................................................................................................34

ANALOGUE INPUT PATH ............................................................................................................35

DIGITAL INPUT PATH ..................................................................................................................50

DIGITAL TO ANALOGUE CONVERTER (DAC) ...........................................................................52

OUTPUT SIGNAL PATH ...............................................................................................................56

ANALOGUE OUTPUTS.................................................................................................................67

THERMAL SHUTDOWN ...............................................................................................................71

GENERAL PURPOSE INPUT/OUTPUT .......................................................................................72

DIGITAL AUDIO INTERFACE.......................................................................................................89

DIGITAL AUDIO INTERFACE CONTROL ..................................................................................100

CLOCKING AND SAMPLE RATES.............................................................................................104

CONTROL INTERFACE..............................................................................................................112

POWER MANAGEMENT ............................................................................................................116

POP SUPPRESSION CONTROL................................................................................................119

POWER DOMAINS .....................................................................................................................124

REGISTER MAP........................................................................................................... 125

REGISTER BITS BY ADDRESS .................................................................................................127

DIGITAL FILTER CHARACTERISTICS........................................................................ 148

DAC FILTER RESPONSES ........................................................................................................149

DE-EMPHASIS FILTER RESPONSES .......................................................................................150

APPLICATIONS INFORMATION ................................................................................. 151

RECOMMENDED EXTERNAL COMPONENTS........................................................... 153

PACKAGE DIMENSIONS............................................................................................. 154

IMPORTANT NOTICE .................................................................................................. 155

ADDRESS....................................................................................................................................155

WM8959 データシート(PDF) 2 Page - Wolfson Microelectronics plc

WM8959 データシート(HTML) 2 Page - Wolfson Microelectronics plc

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

データシートダウンロード