Texas Instruments LMV7271 Handleiding

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V

IN

R

1

R

2

V

REF

V

CC

V

OUT

+

-

C1 =

0.1µF

C2 =

10µF

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LMV7271

,

LMV7272

,

LMV7275

SNOSA56I–FEBRUARY2003–REVISEDSEPTEMBER2015

LMV727xSingleandDual,1.8-VLowPowerComparatorsWithRail-to-RailInput

1Features3Description

TheLMV727xdevicesarerail-to-railinputlowpower

1

•(V

S

=1.8V,T

A

=25°C,TypicalValuesUnless

comparators,characterizedatsupplyvoltages1.8V,

Specified).

2.7V,and5V.Theyconsumeaslittleas9-uAsupply

•SingleorDualSupplies

currentperchannelwhileachievinga800-ns

•UltraLowSupplyCurrent9µAPerChannel

propagationdelay.

•LowInputBiasCurrent10nA

TheLMV7271andLMV7275(single)areavailablein

•LowInputOffsetCurrent200pA

SC70andSOT-23packages.TheLMV7272(dual)is

availableintheDSBGApackage.Withthesetiny

•LowEnsuredV

OS

4mV

packages,thePCBareacanbesignificantlyreduced.

•PropagationDelay880ns(20-mVOverdrive)

Theyareidealforlowvoltage,lowpower,andspace-

•InputCommonModeVoltageRange0.1V

criticaldesigns.

BeyondRails

TheLMV7271andLMV7272bothfeatureapush-pull

•LMV7272isAvailableinDSBGAPackage

outputstagewhichallowsoperationwithminimum

powerconsumptionwhendrivingaload.

2Applications

TheLMV7275featuresanopen-drainoutputstage

•WearableDevices

thatallowsforwired-ORconfigurations.Theopen-

drainoutputalsoofferstheadvantageofallowingthe

•MobilePhonesandTablets

outputtobepulledtoanyvoltageupto5.5V,

•Battery-PoweredElectronics

regardlessofthesupplyvoltageoftheLMV7275,

•GeneralPurposeLowVoltageApplications

whichisusefulforlevel-shiftingapplications.

TheLMV727xdevicesarebuiltwithTexas

Instruments'advancesubmicronsilicon-gateBiCMOS

process.Theyallhavebipolarinputsforimproved

noiseperformance,andCMOSoutputsforrail-to-rail

outputswing.

DeviceInformation

(1)

PARTNUMBERPACKAGEBODYSIZE(NOM)

SC70(5)1.25mm×2.00mm

LMV7271,

LMV7275

SOT-23(5)1.60mm×2.90mm

LMV7272DSBGA(8)1.50mmx1.50mm

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

TypicalCircuit

1

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

Product specificaties