Texas Instruments LM397 Handleiding

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AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

LM397

SNOS977F–MAY2001–REVISEDMAY2016

LM397SingleGeneral-PurposeVoltageComparator

1

1Features

1

•T

A

=25°C.TypicalValuesUnlessOtherwise

Specified.

•5-PinSOT-23Package

•IndustrialOperatingRange−40°Cto+85°C

•SingleorDualPowerSupplies

•WideSupplyVoltageRange5Vto30V

•LowSupplyCurrent300µA

•LowInputBiasCurrent7nA

•LowInputOffsetCurrent±1nA

•LowInputOffsetVoltage±2mV

•ResponseTime440ns(50-mVOverdrive)

•InputCommon-ModeVoltage0toV

S

–1.5V

2Applications

•A/DConverters

•Pulse,Square-WaveGenerators

•PeakDetector

•IndustrialApplications

3Description

TheLM397deviceisasinglevoltagecomparator

withaninputcommonmodethatincludesground.

TheLM397isdesignedtooperatefromasingle5-V

to30-Vpowersupplyorasplitpowersupply.Itslow

supplycurrentisvirtuallyindependentofthe

magnitudeofthesupplyvoltage.

TheLM397featuresanopen-collectoroutputstage.

Thisallowstheconnectionofanexternalresistorat

theoutput.TheoutputcandirectlyinterfacewithTTL,

CMOSandotherlogiclevels,bytyingtheresistorto

differentvoltagelevels(leveltranslator).

TheLM397isavailableinthespace-saving5-Pin

SOT-23packageandispin-compatibletoTI’sTL331,

asingledifferentialcomparator.

DeviceInformation

(1)

PARTNUMBERPACKAGEBODYSIZE(NOM)

LM397SOT-23(5)2.90mm×1.60mm

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

TypicalCircuit

Product specificaties