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012345

0

20

40

60

80

100

120

SUPPLY CURRENT (A)

SUPPLY VOLTAGE (V)

-40°C

25°C

85°C

125°C

20406080100

70

75

80

85

90

PROPAGATION DELAY (ns)

INPUT OVERDRIVE (mV)

Rising Edge

Falling Edge

V

S

= 5V

C

LOAD

=15pF

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AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

LMV7235

,

LMV7239

SNOS532O–SEPTEMBER2000–REVISEDAPRIL2018

LMV7235andLMV723975-ns,UltraLowPower,LowVoltage,Rail-to-RailInput

ComparatorWithOpen-DrainandPush-PullOutput

1

1Features

1

•V

S

=5V,T

A

=25°C(TypicalValuesUnless

OtherwiseSpecified)

•PropagationDelay:75ns

•LowsupplyCurrent:65µA

•Rail-to-RailInput

•OpenDrainandPush-PullOutput

•Idealfor2.7-Vand5-V,Single-Supply

Applications

•AvailableinSpace-SavingPackages:

–5-PinSOT-23

–5-PinSC70

2Applications

•PortableandBattery-PoweredSystems

•SetTopBoxes

•High-SpeedDifferentialLineReceiver

•WindowComparators

•Zero-CrossingDetectors

•High-SpeedSamplingCircuits

3Description

TheLMV7235andLMV7239areultralowpower,low

voltage,75-nscomparators.Theyareensuredto

operateoverthefullsupplyvoltagerangeof2.7Vto

5.5V.Thesedevicesachievea75-nspropagation

delaywhileconsumingonly65µAofsupplycurrent

at5V.

TheLMV7235andLMV7239haveagreaterthanrail-

to-railcommon-modevoltagerange.Theinput

commonmodevoltagerangeextends200mVbelow

groundand200mVabovesupply,allowingboth

groundandsupplysensing.

TheLMV7235featuresanopendrainoutput.By

connectinganexternalresistor,theoutputofthe

comparatorcanbeusedasalevelshifter.

TheLMV7239featuresapush-pulloutputstage.This

featureallowsoperationwithouttheneedofan

externalpullupresistor.

TheLMV7235andLMV7239areavailableinthe5-

pinSC70and5-pinSOT-23packages,whichare

idealforsystemswheresmallsizeandlowpoweris

critical.

DeviceInformation

(1)

PARTNUMBERPACKAGESBODYSIZE(NOM)

LMV7235,LMV7239

SOT-23(5)2.90mm×1.60mm

SC70(5)2.00mm×1.25mm

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

SupplyCurrentvs.SupplyVoltagePropagationDelayvs.Overdrive

Produktspecifikationer