Development of a monolithic open-loop detection circuit for capacitive accelerometers
Guti Dianzixue Yanjiu Yu Jinzhan/Research and Progress of Solid State Electronics(2010)
摘要
A monolithic detection circuit for capacitive MEMS accelerometers was developed.Instead of using closed-loop techniques,this system employed open-loop detection.When supply voltages was 5 V,power consumption was 9 mW,noise magnitude was lower than 200 μV(12.6 mg),sensitivity was 15.8 mV/g,linear error was 1.8%,test range was+/-100 g.
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关键词
Accelerometer,Lower noise,Lower power consumption,MEMS
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