AH175isasingle-digital-outputHall-effectsensorforhightemperatureoperation.Thedeviceincludesanon-chipHallvoltagegeneratorformagneticsensing,anamplifiertoamplifyHallvoltage,andacomparatortoprovideswitchinghysteresisfornoiserejection,andanopen-collectoroutputpre-driver.Aninternalband-gapregulatorisusedtoprovidetemperaturecompensatedsupplyvoltageforinternalcircuitsandallowsawideoperatingsupplyrange.Whilethemagneticfluxdensity(B)islargerthanthresholdBop,theOUTpinturnson(low).IfBremovedtowardBrp,theOUTpinislatched on statepriortoB Brp.WhenB Brp,theOUTpingoesinto off state.