Texas Instruments LMV793 Bedienungsanleitung

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0.1

1101k10k

FREQUENCY (Hz)

1

10

100

1000

100

VOLTAGE NOISE (nV/

Hz)

5V

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

LMV793,LMV794

www.ti.com

SNOSAX6D–MARCH2007–REVISEDMARCH2013

LMV793/LMV79488MHz,LowNoise,1.8VCMOSInput,DecompensatedOperational

Amplifiers

CheckforSamples:LMV793,LMV794

1

FEATURES

DESCRIPTION

TheLMV793(single)andtheLMV794(dual)CMOS

2

(Typical5VSupply,UnlessOtherwiseNoted)

inputoperationalamplifiersofferalowinputvoltage

•InputReferredVoltageNoise5.8nV/√Hz

noisedensityof5.8nV/√Hzwhileconsumingonly

•InputBiasCurrent100fA

1.15mA(LMV793)ofquiescentcurrent.The

LMV793/LMV794arestableatagainof10andhave

•GainBandwidthProduct88MHz

againbandwidthproduct(GBW)of88MHz.The

•SupplyCurrentperChannel

LMV793/LMV794haveasupplyvoltagerangeof

–LMV7931.15mA

1.8Vto5.5Vandcanoperatefromasinglesupply.

TheLMV793/LMV794eachfeaturearail-to-rail

–LMV7941.30mA

outputstagecapableofdrivinga600Ωloadand

•Rail-to-RailOutputSwing

sourcingasmuchas60mAofcurrent.

–@10kΩLoad25mVfromRail

TheLMV793/LMV794provideoptimalperformancein

–@2kΩLoad45mVfromRail

lowvoltageandlownoisesystems.ACMOSinput

•Ensured2.5Vand5.0VPerformance

stage,withtypicalinputbiascurrentsintherangeof

afewfemto-Amperes,andaninputcommonmode

•TotalHarmonicDistortion0.04%@1kHz,600Ω

voltagerange,whichincludesground,makethe

•TemperatureRange−40°Cto125°C

LMV793/LMV794idealforlowpowersensor

applicationswherehighspeedsareneeded.

APPLICATIONS

TheLMV793/LMV794aremanufacturedusingTI’s

•ADCInterface

advancedVIP50process.TheLMV793isofferedin

•PhotodiodeAmplifiers

eithera5-PinSOT23oran8-PinSOICpackage.The

LMV794isofferedineitherthe8-PinSOICorthe8-

•ActiveFiltersandBuffers

PinVSSOP.

•LowNoiseSignalProcessing

•MedicalInstrumentation

•SensorInterfaceApplications

TypicalApplication

Figure1.PhotodiodeTransimpedanceAmplifierFigure2.InputReferredVoltageNoisevs.

Frequency

1

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TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.

2Alltrademarksarethepropertyoftheirrespectiveowners.

PRODUCTIONDATAinformationiscurrentasofpublicationdate.

Copyright©2007–2013,TexasInstrumentsIncorporated

ProductsconformtospecificationsperthetermsoftheTexas

Instrumentsstandardwarranty.Productionprocessingdoesnot

necessarilyincludetestingofallparameters.

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