MH251-低压微功耗全极性霍尔开关

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1、MH251MicropowerCMOSOutputHallEffectSwitchMH251Hall-effectsensorisatemperaturestable,stress-resistant,LowToleranceofSensitivitymicro-powerswitch.Superiorhigh-temperatureperformanceismadepossiblethroughadynamicoffsetcancellationthatutilizeschopper-stabilization.Thismethodreducestheoffsetvolt

2、agenormallycausedbydeviceovermolding,temperaturedependencies,andthermalstress.MH251isspecialmadeforlowoperationvoltage,1.65V,toactivethechipwhichisincludesthefollowingonasinglesiliconchip:voltageregulator,Hallvoltagegenerator,small-signalamplifier,chopperstabilization,Schmitttrigger,CMOSou

3、tputdriver.AdvancedCMOSwaferfabricationprocessingisusedtotakeadvantageoflow-voltagerequirements,componentmatching,verylowinput-offseterrors,andsmallcomponentgeometries.Thisdevicerequiresthepresenceofomni-polarmagneticfieldsforoperation.ThepackagetypeisinaHalogenFreeversionhasbeenverifiedby

4、thirdpartyLab.FeaturesandBenefitsCMOSHallICTechnologyStrongRFnoiseprotection1.65to6Vforbattery-poweredapplicationsOmnipolar,outputswitcheswithabsolutevalueofNorthorSouthpolefrommagnetOperationdownto1.65V,MicropowerconsumptionHighSensitivityforreedswitchreplacementapplicationsMultiSm

5、allSizeoptionLowsensitivitydriftincrossingofTemp.rangeUltraLowpowerconsumptionat5uA(Avg)HighESDProtection,HBM>±4KV(min)Totem-poleoutputApplicationsSolidstateswitchHandheldWirelessHandsetAwakeSwitch(FlipCell/PHSPhone/NoteBook/FlipVideoSet)LidclosesensorforbatterypowereddevicesMagnet

6、proximitysensorforreedswitchreplacementinlowdutycycleapplicationsWaterMeterFloatingMeterPDVDNB091214Page1of15Rev.1.00MH251MicropowerCMOSOutputHallEffectSwitchOrderingInformationCompanyNameandProductCategoryXXXXXXXXX-XMH:MSTHallEffect/MP:MSTPowerICPartnumberSortingCode181,D182,183,184,1

7、85,248,477,D381,D381F,381R,D382…..Ifpart#isjust3digits,theforthdigitwillbeomitted.PackagetypeTemperaturerangeTemperatureCodeE:85℃,I:105℃,K:125℃,L:150℃PartnumberPackagetypeUA:TO-92S,VK:TO-92S(4pin),VF:TO-92S(5pin),SO:SOT-23,CompanyNameandProductCategorySQ:QFN-3