Texas Instruments LMV771 Bedienungsanleitung

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LMV771,LMV772,LMV774

www.ti.com

SNOSA04F–MAY2004–REVISEDSEPTEMBER2010

LMV771/LMV772/LMV772Q/LMV774Single/Dual/Quad,LowOffset,LowNoise,RRO

OperationalAmplifiers

CheckforSamples:LMV771,LMV772,LMV774

1

FEATURES

•Temperaturerange−40°Cto125°C

•LMV772QisAEC-Q100Grade1qualifiedand

23

•(Unlessotherwisenoted,typicalvaluesatV

S

=

ismanufacturedonAutomotivegradeflow

2.7V)

•Guaranteed2.7Vand5Vspecifications

APPLICATIONS

•MaximumV

OS

(LMV771)850μV(limit)

•Transduceramplifier

•Voltagenoise

•Instrumentationamplifier

•f=100Hz12.5nV/√Hz

•Precisioncurrentsensing

•f=10kHz7.5nV/√Hz

•Dataacquisitionsystems

•Rail-to-Railoutputswing

•Activefiltersandbuffers

•R

L

=600Ω100mVfromrail

•Sampleandhold

•R

L

=2kΩ50mVfromrail

•Portable/batterypoweredelectronics

•OpenloopgainwithR

L

=2kΩ100dB

•Automotive

•V

CM

0toV

+

−0.9V

•Supplycurrent(peramplifier)550µA

•Gainbandwidthproduct3.5MHz

DESCRIPTION

TheLMV771/LMV772/LMV772Q/LMV774areSingle,Dual,andQuadlownoiseprecisionoperationalamplifiers

intendedforuseinawiderangeofapplications.Otherimportantcharacteristicsofthefamilyinclude:an

extendedoperatingtemperaturerangeof−40°Cto125°C,thetinySC70-5packagefortheLMV771,andlow

inputbiascurrent.

Theextendedtemperaturerangeof−40°Cto125°CallowstheLMV771/LMV772/LMV772Q/LMV774to

accommodateabroadrangeofapplications.TheLMV771expandsNationalSemiconductor’sSiliconDust™

amplifierportfolioofferingenhancementsinsize,speed,andpowersavings.The

LMV771/LMV772/LMV772Q/LMV774areguaranteedtooperateoverthevoltagerangeof2.7Vto5.0Vandall

haverail-to-railoutput.

TheLMV771/LMV772/LMV772Q/LMV774familyisdesignedforprecision,lownoise,lowvoltage,andminiature

systems.Theseamplifiersproviderail-to-railoutputswingintoheavyloads.Themaximuminputoffsetvoltagefor

theLMV771is850μVatroomtemperatureandtheinputcommonmodevoltagerangeincludesground.

TheLMV771isofferedinthetinySC70-5package,LMV772/LMV772QinthespacesavingMSOP-8andSOIC-

8,andtheLMV774inTSSOP-14.

1

Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof

TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.

2SiliconDustisatrademarkofTexasInstruments.

3Allothertrademarksarethepropertyoftheirrespectiveowners.

PRODUCTIONDATAinformationiscurrentasofpublicationdate.

Copyright©2004–2010,TexasInstrumentsIncorporated

ProductsconformtospecificationsperthetermsoftheTexas

Instrumentsstandardwarranty.Productionprocessingdoesnot

necessarilyincludetestingofallparameters.

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