wm9090 Wolfson Microelectronics plc, wm9090 Datasheet - Page 3

• Manufacturer Part Number: wm9090
• Description: Ultra Low Power Audio Subsystem
• Manufacturer: Wolfson Microelectronics plc

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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
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