SEC全极霍尔效应传感IC SS3413使用手册.pdf

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1、SS3413CMOSOmnipolarHighSensitivityMicropowerHallSwitchFeatures−Micropowerconsumptionforbatterypoweredapplications−Omnipolar,outputswitcheswithabsolutevalueofNorthorSouthpolefrommagnet−Operationdownto2.5V−Highsensitivityfordirectreedswitchreplacementapplications3pinSOT23(suffix

2、SO)3pinSIP(suffixUA)GeneralDescriptionTheSS3413OmnipolarHalleffectsensorICisfab-isaboveorbelowtheBop/BrpthresholdsthenthericatedfrommixedsignalCMOStechnology.Itin-outputtransistorisdriventochangestatesaccording-corporatesadvancedchopper-stabilizationtechniquesly.Whileinthe“Sle

3、ep”cycletheoutputtransistoristoprovideaccurateandstablemagneticswitchpoints.latchedinitspreviousstate.Thedesignhasbeenop-ThecircuitdesignprovidesaninternallycontrolledtimizedforserviceinapplicationsrequiringextendedclockingmechanismtocyclepowertotheHallele-operatinglifetimeinb

4、atterypoweredsystems.mentandanalogsignalprocessingcircuits.ThisTheoutputtransistoroftheSS3413willbelatchedonservestoplacethehighcurrent-consumingportions(Bop)inthepresenceofasufficientlystrongSouthorofthecircuitintoa“Sleep”mode.PeriodicallytheNorthmagneticfieldfacingthemarkeds

5、ideofthedeviceis“Awakened”bythisinternallogicandthepackage.Theoutputwillbelatchedoff(Brp)inthemagneticfluxfromtheHallelementisevaluatedabsenceofamagneticfield.againstthepredefinedthresholds.IfthefluxdensityApplications−Solidstateswitch−HandheldWirelessHandsetAwakeSwitch−Lidclo

6、sesensorforbatterypowereddevices−Magnetproximitysensorforreedswitchreplacementinlowdutycycleapplications1V3.10Nov1,2013SS3413CMOSOmnipolarHighSensitivityMicropowerHallSwitchTypicalApplicationCircuitSEC'spole-independentsensingtechniqueallowsforcapacitorbeconnected(incloseproxi

7、mitytotheHalloperationwitheitheranorthpoleorsouthpolemag-sensor)betweenthesupplyandgroundofthedevicenetorientation,enhancingthemanufacturabilityofthetoreducebothexternalnoiseandnoisegeneratedbydevice.Thestate-of-the-arttechnologyprovidesthethechopper-stabilizationtechnique.Thi

8、sisespeciallysameoutputpolarityforeitherpoleface.trueduetothe