Texas Instruments LMV854 Handleiding

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+

-

+

-

ADC

PRESSURE

SENSOR

EMI HARDENED

EMI HARDENED

+

-

V

+

R1

R2

INTERFERING

RF SOURCES

NO RF RELATED

DISTURBANCES

LMV851,LMV852,LMV854

www.ti.com

SNOSAW1A–OCTOBER2007–REVISEDMARCH2013

LMV851/LMV852/LMV8548MHzLowPowerCMOS,EMIHardenedOperationalAmplifiers

CheckforSamples:LMV851,LMV852,LMV854

1

FEATURES

DESCRIPTION

TexasInstrument’sLMV851/LMV852/LMV854are

2

•UnlessOtherwiseNoted,TypicalValues

CMOSinput,lowpoweropampICs,providingalow

atT

A

=25°C,V

SUPPLY

=3.3V

inputbiascurrent,awidetemperaturerangeof

•SupplyVoltage2.7Vto5.5V

−40°Cto+125°Candexceptionalperformance,

•SupplyCurrent(PerChannel)0.4mA

makingthemrobustgeneralpurposeparts.

Additionally,theLMV851/LMV852/LMV854areEMI

•InputOffsetVoltage1mVmax

hardenedtominimizeanyinterferencesotheyare

•InputBiasCurrent0.1pA

idealforEMIsensitiveapplications.Theunitygain

•GBW8MHz

stableLMV851/LMV852/LMV854feature8MHzof

bandwidthwhileconsumingonly0.4mAofcurrent

•EMIRRat1.8GHz87dB

perchannel.Thesepartsalsomaintainstabilityfor

•InputNoiseVoltageat1kHz11nV/√Hz

capacitiveloadsaslargeas200pF.The

•SlewRate4.5V/µs

LMV851/LMV852/LMV854providesuperior

performanceandeconomyintermsofpowerand

•OutputVoltageSwingRail-to-Rail

spaceusage.Thisfamilyofpartshasamaximum

•OutputCurrentDrive30mA

inputoffsetvoltageof1mV,arail-to-railoutputstage

•OperatingAmbientTemperatureRange−40°C

andaninputcommon-modevoltagerangethat

to125°C

includesground.Overanoperatingsupplyrange

from2.7Vto5.5VtheLMV851/LMV852/LMV854

provideaCMRRof92dB,andaPSRRof93dB.

APPLICATIONS

TheLMV851/LMV852/LMV854areofferedinthe

•PhotodiodePreamp

spacesaving5-PinSC70package,the8-PinVSSOP

•PiezoelectricSensors

andthe14-PinTSSOPpackage.

•Portable/Battery-PoweredElectronic

Equipment

•Filters/Buffers

•PDAs/PhoneAccessories

•MedicalDiagnosisEquipment

TypicalApplication

Figure1.SensorAmplifiersClosetoRFSources

1

Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof

TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.

2Alltrademarksarethepropertyoftheirrespectiveowners.

PRODUCTIONDATAinformationiscurrentasofpublicationdate.

Copyright©2007–2013,TexasInstrumentsIncorporated

ProductsconformtospecificationsperthetermsoftheTexas

Instrumentsstandardwarranty.Productionprocessingdoesnot

necessarilyincludetestingofallparameters.

Product specificaties