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AnIMPORTANTNOTICEattheendo fthisdatasheetaddr essesavailability,warranty,chan ges,useinsafety-critica lapplications,

inte llectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

LM193-N

,

LM2903-N

,

LM293-N

,

LM393-N

SNOSBJ6G–OCTO BER1999–REVISEDOCTO BER2018

LMx93-N,LM2903-NLow-P ower,Low-OsetVoltage,DualComparators

1

1Features

1 •WideSupply

–VoltageRange:2.0Vto36V

–SingleorDualSupplies:±1.0Vto±18V

•VeryLowSupplyCurrentDrain(0.4mA)—

IndependentofSupplyVoltage

•LowInputBiasingCurrent:25nA

•LowInputOsetCurrent:±5nA

•MaximumOsetvoltage:±3mV

•InputCommon-ModeVoltageRangeI ncludes

Ground

•DierentialInputVoltageRangeEqualtothe

PowerSupplyVoltage

•LowOutputSaturationVoltage:250mVat4mA

•OutputVoltageCompatiblewithTTL,DTL,ECL,

MOSandCMOSl ogicsystems

•Availableinthe8-Bump(12mil)DSBGAPackage

•SeeAN-1112()forDSBGASNVA009

Considerations

•Advantages

–HighPrecisionComparators

–ReducedV OS DriftOverTemperature

–EliminatesNeedforDualSupplies

–AllowsSensingNearGround

–CompatiblewithAllFormsofLogic

–PowerDrainSuitableforBatteryOperation

2Applications

•BatteryPoweredApplications

•IndustrialApplications

3Description

TheLM193-Nseriesconsistsoftwoindependent

precisionvoltagecomparatorswithanosetvoltage

specicationaslowas2.0mVmaxfortwo

comparatorswhichweredesignedspecicallyto

operatefromasinglepowersupplyoverawiderange

ofvoltages.Operationfromsplitpowersuppliesis

alsopossibleandthelowpowersupplycurrentdrain

isindependentofthemagnitudeofthepowersupply

voltage.Thesecomparatorsalsohaveaunique

characteristicinthattheinputcommon-modevoltage

rangei ncludesground,eventhoughoperatedfroma

singlepowersupplyvoltage.

Applicationareasincludelimitcomparators,simple

analogtodigitalconverters;pulse,squarewaveand

timedelaygenerators;widerangeVCO;MOSclock

timers;multiv ibratorsandhighvoltagedigitallogic

gates.TheLM193-Nserieswasdesignedtodirectly

interfacewithTTLandCMOS.Whenoperatedfrom

bothplusandminuspowersupplies,theLM19-N

serieswilldirect lyinterfacewithMOSlogicwhere

theirlowpowerdrainisadistinctadvantageover

standardcomparators.

TheLM393andLM2903partsareavailableinTI’s

innovativethinDSBGApackagewith8(12mil)large

bumps.

DeviceInformation(1)

PARTNUMBERPACKAGEBODYSIZE(NOM)

LM193-N TO-99(8)9.08mmx9.08mm

LM293-N

LM393-N SOIC(8)4.90mmx3.91mm

DS BGA(8)1.54mmx1.54mm

LM2903-N SOIC(8)4.90mmx3.91mm

DS BGA(8)1.54mmx1.54mm

(1)Fora llavailablepackage s,seetheorderableaddend umat

theendofthedatasheet.

SimpliedSchematic

Produktspecifikationer