MH187:40 Gausssensitivity,a generalpurposelatch,highlystableinBopandBrpversionOrderingNumberMH187SignalOutputnonTemperature-40℃-125℃PackageUA/SO/SQVoltagerange3V-24VOutputcurrent2.5mASensitivity40GaussStatusNownoteGeneralPurposeCMOSsingleoutputlatch MH187Hall-effectsensorisatemperaturestable,stress-resistantlatch.Superiorhigh-temperatureperformanceismadepossiblethroughadynamicoffsetcancellationthatutilizeschopper-stabilization.Thismethodreducestheoffsetvoltagenormallycausedbydeviceovermolding,temperaturedependencies,andthermalstress.TheMH187includesthefollowingonasinglesiliconchip:voltageregulator,Hallvoltagegenerator,small-signalamplifier,chopperstabilization,Schmitttrigger,andashortcircuitprotectedopen-drainoutput.AdvancedCMOSwaferfabricationprocessingisusedtotakeadvantageoflow-voltagerequirements,componentmatching,verylowinput-offseterrors,andsmallcomponentgeometries.Thisdevicerequiresthepresenceofbothsouthandnorthpolaritymagneticfieldsforoperation.Inthepresenceofasouthpolarityfieldofsufficientstrength,thedeviceoutputlatcheson,andonlyswitchesoffwhenanorthpolarityfieldofsufficientstrengthispresent.TheMH187isratedforoperationbetweentheambienttemperatures 40 Cand85 CfortheEtemperaturerange,and 40 Cto125 CfortheKtemperaturerange.Thetwopackagestylesavailableprovidemagneticallyoptimizedsolutionsformostapplications.PackageSOisanSOT-23,aminiaturelow-profilesurface-mountpackage,whilepackageUAisathree-leadultraminiSIPforthrough-holemounting.TheUApackagetypeandSOtypeisGreenpackage,bothofthemwereverifiedbythirdpartyLab.FeaturesandBenefitsChopperstabilizedamplifierstageOptimizedforBLDCmotorapplicationsNewminiaturepackage/thin,highreliabilitypackageOperationdownto3V100%testedat125℃forK.Customsensitivity/Temperatureselectionareavailable.ApplicationsHightemperatureFanmotor3phaseBLDCmotorapplicationSpeedsensingPositionsensingCurrentsensingRevolutioncountinMH187是一款基于CMOS技術的混合信號霍爾效應鎖存器，完全兼容US2882 *斬波穩定放大器階段 　　*優化為波音設計中心電機應用 　　*新的微型包裝/薄，可靠性高，封裝 　　*運作下降至3V 　　*CMOS最佳的穩定性，質量和成本 廣泛應用于： 　　*固態開關 　　*無刷直流電動機整流 　　*速度傳感 　　*線性位置傳感 　　*角位置傳感 　　*電流傳感 應用：流量計，電機，咖啡機