MH248: CMOSMicropowerHallSwitchwithmultiplepackages customGausssortingissupporting.anhotsalespartnumberinNBapplicationOrderingNumberMH-248SignalOutputnonTemperature-40℃-85℃PackageUA/SO/SU/SQVoltagerange2.5V-3.5VOutputcurrent8uA(Avg)Sensitivity5Gto60GStatusNownoteCMOSMicropowerHallSwitch MH248BHall-effectsensorisatemperaturestable,stress-resistant,micro-powerswitch.Superiorhigh-temperatureperformanceismadepossiblethroughadynamicoffsetcancellationthatutilizeschopper-stabilization.Thismethodreducestheoffsetvoltagenormallycausedbydeviceovermolding,temperaturedependencies,andthermalstress.MH248Bincludesthefollowingonasinglesiliconchip:voltageregulator,Hallvoltagegenerator,small-signalamplifier,chopperstabilization,Schmitttrigger,andashortcircuitprotectedopen-drainoutput.AdvancedCMOSwaferfabricationprocessingisusedtotakeadvantageoflow-voltagerequirements,componentmatching,verylowinput-offseterrors,andsmallcomponentgeometries.Thisdevicerequiresthepresenceofomni-polarmagneticfieldsforoperation.MH248Bisratedforoperationbetweentheambienttemperatures 40 Cand+85 CfortheEtemperaturerange.Thethreepackagestylesavailableprovidemagneticallyoptimizedsolutionsformostapplications.ApackagetypeSOisanSOT-23(1.0mmheight),SUisanUSON(0.55mmheight),whilepackageUAisathree-leadultraminiSIPforthrough-holemounting.Thepackagetypeisinalead(Pb)-free/GreenversionhasbeenverifiedbythirdpartyLab.FeaturesandBenefitsCMOSHallICTechnologySolid-StateReliabilityMicropowerconsumptionforbattery-poweredapplicationsOmnipolar,outputswitcheswithabsolutevalueofNorthorSouthpolefrommagnetOperationdownto2.5VUltraHighSensitivityfordirectreedswitchreplacementapplicationsNarroweroperatingrange(Bopdistribution)Customsensitivityselectionisavailableinoptionalpackage.PbFree/Greenchipisqualifiedbythirdpartylab.ApplicationsSolidstateswitchHandheldWirelessHandsetAwakeSwitchFlipCell/PHSPhone/NoteBook/FlipVideoSetPDVD/DC/DV/GPSLiquiddetectionGamemachine/PositiondetectionLidclosesensorforbatterypowereddevicesMagnetproximitysensorforreedswitchreplacementinlowdutycycleapplications應(yīng)用：NB,PDVD,NV,DC,GPS,DS,Bluetooth head-set,Mobilephone, UMPC