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AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

LF347

,

LF347B

SLOS013C–MARCH1987–REVISEDMARCH2016

LF347,LF347BJFET-InputQuadOperationalAmplifiers

1

1Features

1

•LowInputBiasCurrent:50pATypical

•LowInputNoiseCurrent:0.01pA/√HzTypical

•LowTotalHarmonicDistortion

•LowSupplyCurrent:8mATypical

•GainBandwidth:3MHzTypical

•HighSlewRate:13V/msTypical

2Applications

•MotorIntegratedSystems:UPS

•DrivesandControlSolutions:ACInvertersandVF

Drives

•Renewables:SolarInverters

•ProAudioMixers

•Oscilloscopes

3Description

TheLF347andLF347Bdevicesarelow-cost,high-

speed,JFET-inputoperationalamplifiers.They

requirelowsupplycurrentyetmaintainalargegain-

bandwidthproductandafastslewrate.Inaddition,

theirmatchedhigh-voltageJFETinputsprovidevery

lowinputbiasandoffsetcurrent.

TheLF347andLF347Bcanbeusedinapplications

suchashigh-speedintegrators,digital-to-analog

converters,sample-and-holdcircuits,andmanyother

circuits.

TheLF347andLF347Bdevicesarecharacterizedfor

operationfrom0°Cto70°C.

DeviceInformation

(1)

PARTNUMBERPACKAGEBODYSIZE(NOM)

LF347D,LF347BDSOIC(14)8.65mm×3.91mm

LF347N,LF347BNPDIP(14)19.30mm×6.35mm

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

Symbol(EachAmplifier)

Produktspecifikationer