Texas Instruments LMH3401 Bedienungsanleitung

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±100

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0

1101001000

Distortion (dBc)

Frequency (MHz)

HD2

HD3

C002

12.5W

12.5W

200W

V

CM

V

OUT-

200W

V

IN

Filter

LMH3401

V

OUT+

R

O

CM

R

O

ADC

A

IN-

A

IN+

CM

Single-Ended,

50-SourceW

50W

10W

10W

Product

Folder

Sample &

Buy

Technical

Documents

Tools &

Software

Support &

Community

LMH3401

SBOS695A–AUGUST2014–REVISEDDECEMBER2014

LMH34017-GHz,Ultra-Wideband,Fixed-Gain,Fully-DifferentialAmplifier

1Features3Description

TheLMH3401isaveryhigh-performance,differential

1

•ExcellentSingle-EndedtoDifferentialConversion

amplifieroptimizedforradiofrequency(RF),

PerformancefromDCto2GHz

intermediatefrequency(IF),orhigh-speed,time-

•7-GHz,–3-dBBandwidth

domainapplications.Thisdeviceisidealfordc-orac-

•ExcellentHD2andHD3to2GHz:

coupledapplicationsthatrequireasingle-endedto

differentialconversionwhendrivingananalog-to-

––96(HD2),–102(HD3)at10MHz

digitalconverter(ADC).TheLMH3401generates

––79(HD2),–77(HD3)at500MHz

verylowlevelsofsecond-orderandthird-order

––64(HD2),–72(HD3)at1GHz

distortionwhenoperatinginsingle-ended-inputto

differential-outputordifferential-inputtodifferential-

––55(HD2),–40(HD3)at2GHz

outputmode.

•BestinClassOIP

3

Performanceto2GHz:

Theon-chipresistorssimplifyprintedcircuitboard

–45dBmat200MHz

(PCB)implementationandprovidethehighest

–33dBmat1GHz

performanceovertheusablebandwidthof2GHz.

–24dBmat2GHz

ThisperformancemakestheLMH3401idealfor

applicationssuchastestandmeasurement,

•FixedSingle-EndedtoDifferentialVoltageGain:

broadbandcommunications,andhigh-speeddata

16dB

acquisition.Acommon-modereferenceinputpinis

•NoiseFigure:9dBat200MHz(R

S

=50Ω)

providedtoaligntheamplifieroutputcommon-mode

•SlewRate:18,000V/µs

withtheADCinputrequirements.Usethisdevicewith

powersuppliesbetween3.3Vand5.0V;dual-supply

•SupportsSingle-SupplyorSplit-SupplyOperation

operationissupportedwhenrequiredbythe

•Powered-DownFeature

application.

•SupplyCurrent:55mA

Thislevelofperformanceisachievedataverylow

powerlevelof275mWwhena5.0-Vsupplyisused.

2Applications

Apower-downfeatureisalsoavailableforpower

•GSPSADCDrivers

savings.TheLMH3401isfabricatedinTexas

Instruments'advancedcomplementaryBiCMOS

•ADCDriversforHigh-SpeedDataAcquisition

processandisavailableinaspace-saving,14-lead

•ADCDriverfor1-GBPSEthernetoverMicrowave

UQFNpackagewithaspecifiedoperating

•DACBuffers

temperaturerangeof–40°Cto85°C.

•WidebandGainStages

DeviceInformation

(1)

•Single-EndedtoDifferentialConversions

PARTNUMBERPACKAGEBODYSIZE(NOM)

•LevelShifters

LMH3401UQFN(14)2.50mm×2.50mm

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

LMH3401DrivinganADC12J4000DistortionProductsvsFrequency

R

L

=200Ω,V

OUT

=2V

PP

1

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

Produktspezifikationen