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ID:57306341
大小:979.46 KB
页数:35页
时间:2020-08-11
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1、AK099113-axisElectronicCompass1.FeaturesA3-axiselectroniccompassICwithhighsensitiveHallsensortechnology.Bestadaptedtopedestriancitynavigationuseforcellphoneandotherportableappliance.Functions:3-axismagnetometerdevicesuitableforcompassapplicationBuilt-in
2、AtoDConverterformagnetometerdataout14-bitdataoutforeach3-axismagneticcomponentSensitivity:0.6µT/LSB(typ.)Serialinterface2ICbusinterfaceStandard,FastandHigh-speedmode(upto2.5MHz)compliantwithPhilipsI2CspecificationVer.2.1OperationmodePower-down,Singleme
3、asurement,Continuousmeasurement,Self-testandFuseROMaccessDRDYfunctionformeasurementdatareadyMagneticsensoroverflowmonitorfunctionBuilt-inoscillatorforinternalclocksourcePoweronResetcircuitSelftestfunctionwithinternalmagneticsourceOperatingtemperatures:
4、-30˚Cto+85˚COperatingsupplyvoltage:Analogpowersupply+2.4Vto+3.6VDigitalInterfacesupply+1.65VtoanalogpowersupplyvoltageCurrentconsumption:Power-down:3µA(typ.)Measurement:Averagecurrentconsumptionat100Hzrepetitionrate:2.4mA(typ.)Package:AK09911C8-pin
5、WL-CSP(BGA):1.2mm×1.2mm×0.5mm(typ.)2.OverviewAK09911is3-axiselectroniccompassICwithhighsensitiveHallsensortechnology.SmallpackageofAK09911incorporatesmagneticsensorsfordetectingterrestrialmagnetismintheX-axis,Y-axis,andZ-axis,asensordrivingcircuit,signalampl
6、ifierchain,andanarithmeticcircuitforprocessingthesignalfromeachsensor.Selftestfunctionisalsoincorporated.Fromitscompactfootprintandthinpackagefeature,itissuitableformapheadinguppurposeinGPS-equippedcellphonetorealizepedestriannavigationfunction.AK09911hasthe
7、followingfeatures:(1)SiliconmonolithicHall-effectmagneticsensorwithmagneticconcentratorrealizes3-axismagnetometeronasiliconchip.Analogcircuit,digitallogic,powerblockandinterfaceblockarealsointegratedonachip.(2)Widedynamicmeasurementrangeandhighresolutionwith
8、lowercurrentconsumption.Outputdataresolution:14-bit(0.6µT/LSB)Measurementrange:±4900µTAveragecurrentat100Hzrepetitionrate:2.4mA(typ.)(3)Digitalserialinterface2ICbusinterfacetocontrolAK09911f
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