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FeaturesandBenefits Description?Continuous-timeoperation TheAllegro(R)A1101-A1104andA1106Hall-effectswitches ?Fastpower-ontime are next generation replacements for the popular Allegro ?Lownoise 312xand314xlinesofunipolarswitches.TheA110xfamily,?Stableoperationoverfulloperatingtemperaturerange producedwithBiCMOStechnology,consistsofdevicesthat?Reversebatteryprotection featurefastpower-ontimeandlow-noiseoperation.Device?Solid-statereliability programmingisperformedafterpackaging,toensureincreased?Factory-programmedatend-of-lineforoptimum switchpointaccuracybyeliminatingoffsetsthatcanbeinduced performance bypackagestress.UniqueHallelementgeometriesandlow-?RobustEMCperformance offset amplifiers help to minimize noise and to reduce the?HighESDrating residualoffsetvoltagenormallycausedbydeviceovermolding,?Regulatorstabilitywithoutabypasscapacitor temperatureexcursions,andthermalstress. TheA1101-A1104 andA1106 Hall-effect switches include the following on a single silicon chip: voltage regulator, Hall-voltage generator, small-signal amplifier, SchmittPackages:3pinSOT23W(suffixLH),and trigger,andNMOSoutputtransistor.Theintegratedvoltage3pinSIP(suffixUA) regulatorpermitsoperationfrom3.8to24V.Theextensive on-boardprotectioncircuitrymakespossiblea 30Vabsolute maximumvoltageratingforsuperiorprotectioninautomotive andindustrialmotorcommutationapplications,withoutadding Continuedonthenextpage