freescale mma845x三軸14位數(shù)字加速度計解決方案

1、FreescaleFreescaleMMA845XMMA845X三軸三軸1414位數(shù)字加速度計解決方案位數(shù)字加速度計解決方案關鍵字：工業(yè)控制傳感器加速度計Freescale公司的MMA8451Q是14位8位智能低功耗三軸數(shù)字加速度計工作電壓1.95V3.6V接口電壓1.6V3.6V動態(tài)可選擇滿刻度為2g4g8g輸出數(shù)據(jù)速率(ODR)從1.56Hz到800Hz噪音為99ug√Hz14位和8位數(shù)字輸出I2C數(shù)字輸出接口主要用在電子羅盤靜態(tài)方

2、向檢測筆記電腦電子閱讀器實時方向檢測(如3D定位反饋)和實時行為分析(如計步器).本文介紹了MMA8451Q主要特性方框圖應用框圖以及MMA845X傳感器加速度計板LFSTBEB845X電路圖和元件布局圖.3Axis14bit8bitDigitalAccelerometerTheMMA8451Qisasmartlowpowerthreeaxiscapacitivemicromachinedaccelerometerwith14bitso

3、fresolution.Thisaccelerometerispackedwithembeddedfunctionswithflexibleuserprogrammableoptionsconfigurabletotwointerruptpins.Embeddedinterruptfunctionsallowfoverallpowersavingsrelievingthehostprocessfromcontinuouslypollin

4、gdata.Thereisaccesstobothlowpassfiltereddataaswellashighpassfiltereddatawhichminimizesthedataanalysisrequiredfjoltdetectionfastertransitions.Thedevicecanbeconfiguredtogenerateinertialwakeupinterruptsignalsfromanycombinat

5、ionoftheconfigurableembeddedfunctionsallowingtheMMA8451Qtomoniteventsremaininalowpowermodeduringperiodsofinactivity.TheMMA8451Qisavailableina3mmx3mmx1mmQFNpackage.MMA8451Q主要特性:?1.95Vto3.6Vsupplyvoltage?1.6Vto3.6Vinterfac

6、evoltage?2g4g8gdynamicallyablefullscale?Staticientationdetection(PtraitLscapeUpDownLeftRightBackFrontpositionidentification)?NotebookEReaderLaptopTumbleFreefallDetection?Realtimeientationdetection(virtualrealitygaming3Du

7、serpositionfeedback)?Realtimeactivityanalysis(pedometerstepcountingfreefalldetectionfHDDdeadreckoningGPSbackup)?Motiondetectionfptableproductpowersaving(AutoSLEEPAutoWAKEfcellphonePDAGPSgaming)AOElectronics傲壹電子官網：中文網：?Sh