WM8960 Просмотр технического описания (PDF) - Wolfson Microelectronics plc

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WM8960

Stereo CODEC with 1W Stereo Class D Speaker Drivers and Headphone Drivers for Portable Audio Applications

Wolfson Microelectronics plc 

WM8960

Production Data

TABLE OF CONTENTS

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

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

APPLICATIONS..................................................................................................... 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

OUTPUT PGA GAIN ............................................................................................ 10

TYPICAL POWER CONSUMPTION.................................................................... 11

SIGNAL TIMING REQUIREMENTS .................................................................... 13

SYSTEM CLOCK TIMING.............................................................................................. 13

AUDIO INTERFACE TIMING – MASTER MODE .......................................................... 13

AUDIO INTERFACE TIMING – SLAVE MODE .............................................................. 14

CONTROL INTERFACE TIMING – 2-WIRE MODE....................................................... 15

INTERNAL POWER ON RESET CIRCUIT .......................................................... 16

DEVICE DESCRIPTION ...................................................................................... 18

INTRODUCTION ............................................................................................................ 18

INPUT SIGNAL PATH .................................................................................................... 19

ANALOGUE TO DIGITAL CONVERTER (ADC) ............................................................ 26

AUTOMATIC LEVEL CONTROL (ALC) ......................................................................... 28

OUTPUT SIGNAL PATH ................................................................................................ 31

ANALOGUE OUTPUTS ................................................................................................. 37

ENABLING THE OUTPUTS ........................................................................................... 41

HEADPHONE OUTPUT ................................................................................................. 41

CLASS D SPEAKER OUTPUTS .................................................................................... 42

VOLUME UPDATES ...................................................................................................... 43

HEADPHONE JACK DETECT ....................................................................................... 45

THERMAL SHUTDOWN ................................................................................................ 46

GENERAL PURPOSE INPUT/OUTPUT ........................................................................ 47

DIGITAL AUDIO INTERFACE........................................................................................ 48

AUDIO INTERFACE CONTROL .................................................................................... 52

CLOCKING AND SAMPLE RATES................................................................................ 56

CONTROL INTERFACE................................................................................................. 63

POWER MANAGEMENT ............................................................................................... 63

REGISTER MAP .................................................................................................. 67

REGISTER BITS BY ADDRESS .................................................................................... 68

DIGITAL FILTER CHARACTERISTICS .............................................................. 82

ADC FILTER RESPONSES ........................................................................................... 83

DAC FILTER RESPONSES ........................................................................................... 83

DE-EMPHASIS FILTER RESPONSES .......................................................................... 85

APPLICATIONS INFORMATION ........................................................................ 86

RECOMMENDED EXTERNAL COMPONENTS ............................................................ 86

IMPORTANT NOTICE ......................................................................................... 90

ADDRESS: ..................................................................................................................... 90

REVISION HISTORY ........................................................................................... 91

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PD, August 2013, Rev 4.2

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