WM9093ECSSLASHR datasheet(3/84 Pages) WOLFSON

3 / 84 page

Production Data

WM9093

PD, March 2012, Rev 4.2

CHARGE PUMP............................................................................................................. 49

DC SERVO..................................................................................................................... 50

DC SERVO ENABLE AND START-UP...................................................................................................... 50

DC SERVO ACTIVE MODES .................................................................................................................... 52

DC SERVO READBACK ........................................................................................................................... 53

REFERENCE VOLTAGES AND MASTER BIAS ........................................................... 54

POWER MANAGEMENT ............................................................................................... 55

THERMAL SHUTDOWN ................................................................................................ 57

SOFTWARE RESET AND CHIP ID ............................................................................... 57

APPLICATIONS INFORMATION ........................................................................ 77

RECOMMENDED EXTERNAL COMPONENTS ............................................................ 77

AUDIO INPUT PATHS............................................................................................................................... 77

POWER SUPPLY DECOUPLING ............................................................................................................. 78

HEADPHONE OUTPUT PATH.................................................................................................................. 78

CLASS D SPEAKER CONNECTIONS ...................................................................................................... 78

RECOMMENDED EXTERNAL COMPONENTS DIAGRAM...................................................................... 80

PCB LAYOUT CONSIDERATIONS ............................................................................... 81

CLASS D LOUDSPEAKER CONNECTION............................................................................................... 81

PACKAGE DIMENSIONS.................................................................................... 82

IMPORTANT NOTICE ......................................................................................... 83

ADDRESS: ..................................................................................................................... 83

REVISION HISTORY ........................................................................................... 84

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