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WM9090ECS/R データシート(PDF) 3 Page - Wolfson Microelectronics plc

部品番号 WM9090ECS/R
部品情報  Ultra Low Power Audio Subsystem
PDF  81 Pages
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メーカー  WOLFSON [Wolfson Microelectronics plc]
ホームページ  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM9090ECS/R データシート(HTML) 3 Page - Wolfson Microelectronics plc

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Production Data
WM9090
w
PD, November 2010, Rev 4.1
3
CHARGE PUMP........................................................................................................... 47
DC SERVO .................................................................................................................. 48
DC SERVO ENABLE AND START-UP ..................................................................................................... 48
DC SERVO ACTIVE MODES .................................................................................................................... 50
DC SERVO READBACK ........................................................................................................................... 51
REFERENCE VOLTAGES AND MASTER BIAS.......................................................... 52
POWER MANAGEMENT ............................................................................................. 53
THERMAL SHUTDOWN .............................................................................................. 55
SOFTWARE RESET AND CHIP ID ............................................................................. 55
REGISTER MAP...................................................................................................56
REGISTER BITS BY ADDRESS .................................................................................. 58
APPLICATIONS INFORMATION .........................................................................74
RECOMMENDED EXTERNAL COMPONENTS........................................................... 74
AUDIO INPUT PATHS............................................................................................................................... 75
POWER SUPPLY DECOUPLING ............................................................................................................. 76
HEADPHONE OUTPUT PATH.................................................................................................................. 76
CLASS D SPEAKER CONNECTIONS ...................................................................................................... 77
PCB LAYOUT CONSIDERATIONS.............................................................................. 79
CLASS D LOUDSPEAKER CONNECTION .............................................................................................. 79
PACKAGE DIMENSIONS ....................................................................................80
IMPORTANT NOTICE ..........................................................................................81
ADDRESS:................................................................................................................... 81



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