Texas Instruments LMV861 Bruksanvisning

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SENSOR

+

-

+

-

ADC

PRESSURE

EMI HARDENED

EMI HARDENED

+

-

V

+

R1

R2

INTERFERING

RF SOURCES

NO RF RELATED

DISTURBANCES

LMV861,LMV862

www.ti.com

SNOSAZ5C–FEBRUARY2008–REVISEDMARCH2013

LMV861/LMV86230MHzLowPowerCMOS,EMIHardenedOperationalAmplifiers

CheckforSamples:LMV861,LMV862

1

FEATURES

DESCRIPTION

TI’sLMV861andLMV862areCMOSinput,low

2

UnlessOtherwiseNoted,TypicalValuesatT

A

poweropampIC's,providingalowinputbiascurrent,

=25°C,V

+

=3.3V

awidetemperaturerangeof−40°Cto+125°Cand

•SupplyVoltage2.7Vto5.5V

exceptionalperformancemakingthemrobustgeneral

•SupplyCurrent(perChannel)2.25mA

purposeparts.Additionally,theLMV861andLMV862

areEMIhardenedtominimizeanyinterferenceso

•InputOffsetVoltage1mVMax

theyareidealforEMIsensitiveapplications.

•InputBiasCurrent0.1pA

TheunitygainstableLMV861andLMV862feature

•GBW30MHz

30MHzofbandwidthwhileconsumingonly2.25mA

•EMIRRat1.8GHz105dB

ofcurrentperchannel.Thesepartsalsomaintain

•InputNoiseVoltageat1kHz8nV/√Hz

stabilityforcapacitiveloadsaslargeas200pF.The

LMV861andLMV862providesuperiorperformance

•SlewRate18V/µs

andeconomyintermsofpowerandspaceusage.

•OutputVoltageSwingRail-to-Rail

Thisfamilyofpartshasamaximuminputoffset

•OutputCurrentDrive67mA

voltageof1mV,arail-to-railoutputstageandan

•OperatingAmbientTemperatureRange−40°C

inputcommon-modevoltagerangethatincludes

to125°C

ground.Overanoperatingrangefrom2.7Vto5.5V

theLMV861andLMV862provideaPSRRof93dB,

APPLICATIONS

andaCMRRof93dB.TheLMV861isofferedinthe

spacesaving5-PinSC70package,andtheLMV862

•PhotodiodePreamp

inthe8-PinVSSOP.

•WeightScaleSystems

•Filters/Buffers

•MedicalDiagnosisEquipment

TypicalApplication

Figure1.EMIHardenedSensorApplication

1

Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof

TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.

2Alltrademarksarethepropertyoftheirrespectiveowners.

PRODUCTIONDATAinformationiscurrentasofpublicationdate.

Copyright©2008–2013,TexasInstrumentsIncorporated

ProductsconformtospecificationsperthetermsoftheTexas

Instrumentsstandardwarranty.Productionprocessingdoesnot

necessarilyincludetestingofallparameters.

Produktspecifikationer