WM8960CGEFLSLASHV datasheet(2/94 Pages) CIRRUS

2 / 94 page

WM8960

Rev 4.4

TABLE OF CONTENTS

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

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

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

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

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

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

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

ABSOLUTE MAXIMUM RATINGS ................................................................................. 6

RECOMMENDED OPERATING CONDITIONS.............................................................. 6

ELECTRICAL CHARACTERISTICS .............................................................................. 7

OUTPUT PGA GAIN..................................................................................................... 11

TYPICAL POWER CONSUMPTION............................................................................. 12

SIGNAL TIMING REQUIREMENTS ............................................................................. 14

SYSTEM CLOCK TIMING........................................................................................................ 14

AUDIO INTERFACE TIMING

– MASTER MODE .................................................................... 14

AUDIO INTERFACE TIMING

– SLAVE MODE........................................................................ 15

CONTROL INTERFACE TIMING

– 2-WIRE MODE................................................................. 16

INTERNAL POWER ON RESET CIRCUIT................................................................... 17

DEVICE DESCRIPTION ............................................................................................... 19

INTRODUCTION ...................................................................................................................... 19

INPUT SIGNAL PATH .............................................................................................................. 20

MICROPHONE INPUTS ................................................................................................................................................................20

INPUT PGA VOLUME CONTROLS ..............................................................................................................................................23

LINE INPUTS.................................................................................................................................................................................24

INPUT BOOST...............................................................................................................................................................................25

MICROPHONE BIASING CIRCUIT ...............................................................................................................................................26

EXAMPLE INPUT CONFIGURATIONS.........................................................................................................................................27

ANALOGUE TO DIGITAL CONVERTER (ADC) ...................................................................... 28

DIGITAL ADC VOLUME CONTROL..............................................................................................................................................28

ADC DIGITAL FILTERS.................................................................................................................................................................29

HIGH PASS FILTER ......................................................................................................................................................................29

AUTOMATIC LEVEL CONTROL (ALC) ................................................................................... 30

ALC SAMPLE RATE CONTROL ...................................................................................................................................................32

PEAK LIMITER ..............................................................................................................................................................................32

NOISE GATE .................................................................................................................................................................................32

OUTPUT SIGNAL PATH .......................................................................................................... 33

DIGITAL PLAYBACK (DAC) PATH ...............................................................................................................................................33

DIGITAL DAC VOLUME CONTROL..............................................................................................................................................34

DAC SOFT MUTE AND SOFT UN-MUTE .....................................................................................................................................35

DAC DE-EMPHASIS......................................................................................................................................................................36

DAC OUTPUT PHASE AND MONO MIXING................................................................................................................................36

3D STEREO ENHANCEMENT......................................................................................................................................................37

OUTPUT MIXERS .........................................................................................................................................................................38

ANALOGUE OUTPUTS ........................................................................................................... 40

HP_L AND HP_R OUTPUTS.........................................................................................................................................................40

CLASS D SPEAKER OUTPUTS ...................................................................................................................................................41

OUT3 OUTPUT..............................................................................................................................................................................42

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