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1

1010010k100k

FREQUENCY (Hz)

1

10

100

1k

VOLTAGE NOISE (nV/

Hz)

V

+

= 5.5V

V

+

= 2.5V

C

CM

I

IN

R

F

V

OUT

+

-

+

-

V

B

C

F

C

D

V

OUT

I

IN

- R

F

=

C

IN

= C

D

+ C

CM

LMV796,LMV797

www.ti.com

SNOSAU9D–MARCH2006–REVISEDMARCH2013

LMV796/LMV796Q/LMV79717MHz,LowNoise,CMOSInput,1.8VOperationalAmplifiers

CheckforSamples:LMV796,LMV797

1

FEATURES

DESCRIPTION

TheLMV796/LMV796Q(Single)andtheLMV797

2

(Typical5VSupply,UnlessOtherwiseNoted)

(Dual)lownoise,CMOSinputoperationalamplifiers

•InputReferredVoltageNoise5.8nV/√Hz

offeralowinputvoltagenoisedensityof5.8nV/√Hz

•InputBiasCurrent100fA

whileconsumingonly1.15mA(LMV796/LMV796Q)

ofquiescentcurrent.TheLMV796/LMV796Qand

•UnityGainBandwidth17MHz

LMV797areunitygainstableopampsandhavegain

•SupplyCurrentperChannel

bandwidthof17MHz.TheLMV796/LMV796Q/

–LMV796/LMV796Q1.15mA

LMV797haveasupplyvoltagerangeof1.8Vto5.5V

andcanoperatefromasinglesupply.The

–LMV7971.30mA

LMV796/LMV796Q/LMV797eachfeaturearail-to-rail

•Rail-to-RailOutputSwing

outputstagecapableofdrivinga600Ωloadand

–@10kΩLoad25mVfromRail

sourcingasmuchas60mAofcurrent.

–@2kΩLoad45mVfromRail

TheLMV796/LMV796Qfamilyprovidesoptimal

•Guaranteed2.5Vand5.0VPerformance

performanceinlowvoltageandlownoisesystems.A

CMOSinputstage,withtypicalinputbiascurrentsin

•TotalHarmonicDistortion0.01%@1kHz,600Ω

therangeofafewfemtoAmperes,andaninput

•TemperatureRange−40°Cto125°C

commonmodevoltagerange,whichincludesground,

•LMV796QisanAutomotiveGradeProductthat

maketheLMV796/LMV796QandtheLMV797ideal

isAEC-Q100Grade1Qualifiedandis

forlowpowersensorapplications.

ManufacturedonanAutomotiveGradeFlow.

TheLMV796/LMV796Q/LMV797aremanufactured

usingTI’sadvancedVIP50process.TheLMV796/

APPLICATIONS

LMV796Qareofferedin5–pinSOT-23package.The

LMV797isofferedin8–pinVSSOPpackage.

•PhotodiodeAmplifiers

•ActiveFiltersandBuffers

•LowNoiseSignalProcessing

•MedicalInstrumentation

•SensorInterfaceApplications

•Automotive

TypicalApplication

Figure1.PhotodiodeTransimpedanceAmplifierFigure2.InputReferredVoltageNoisevs.

Frequency

1

Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof

TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.

2Alltrademarksarethepropertyoftheirrespectiveowners.

PRODUCTIONDATAinformationiscurrentasofpublicationdate.

Copyright©2006–2013,TexasInstrumentsIncorporated

ProductsconformtospecificationsperthetermsoftheTexas

Instrumentsstandardwarranty.Productionprocessingdoesnot

necessarilyincludetestingofallparameters.

Produktspecifikationer