wm9090 Wolfson Microelectronics plc, wm9090 Datasheet - Page 3
wm9090
Manufacturer Part Number
wm9090
Description
Ultra Low Power Audio Subsystem
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM9090.pdf
(78 pages)
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Pre-Production
REGISTER MAP ................................................................................................... 53
APPLICATIONS INFORMATION ......................................................................... 71
PACKAGE DIMENSIONS .................................................................................... 77
IMPORTANT NOTICE .......................................................................................... 78
REFERENCE VOLTAGES AND MASTER BIAS .......................................................... 49
POWER MANAGEMENT ............................................................................................. 50
THERMAL SHUTDOWN .............................................................................................. 52
SOFTWARE RESET AND CHIP ID ............................................................................. 52
REGISTER BITS BY ADDRESS .................................................................................. 55
RECOMMENDED EXTERNAL COMPONENTS ........................................................... 71
PCB LAYOUT CONSIDERATIONS .............................................................................. 76
ADDRESS: ................................................................................................................... 78
DC SERVO READBACK ........................................................................................................................... 48
AUDIO INPUT PATHS ............................................................................................................................... 72
POWER SUPPLY DECOUPLING ............................................................................................................. 73
HEADPHONE OUTPUT PATH .................................................................................................................. 73
CLASS D SPEAKER CONNECTIONS ...................................................................................................... 74
CLASS D LOUDSPEAKER CONNECTION .............................................................................................. 76
PP, January 2010, Rev 3.0
WM9090
3
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