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技术的混合信号霍尔效应锁存器，完全兼容US2882 *斩波稳定放大器阶段 　　*优化为波音设计中心电机应用 　　*新的微型包装/薄，可靠性高，封装 　　*运作下降至3V 　　*CMOS最佳的稳定性，质量和成本 广泛应用于： 　　*固态开关 　　*无刷直流电动机整流 　　*速度传感 　　*线性位置传感 　　*角位置传感 　　*电流传感 应用：流量计，电机，咖啡机