Texas Instruments LMH6555 Handleiding

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V

IN

+

ADC081000/

ADC081500

V

CMO

SPI

R

G1

R

G2

R

F1

R

F2

LMH6555

V

CM_REF

V

OUT

+

V

OUT

= 0.8 V

PP

V

IN

-

V

IN

a

+

-

R

S1

50:

R

S2

50:

R

T2

50:

R

T1

50:

340 mV

PP

-

+

OPT

LMV321

3.3V

OPT

LMH6555

www.ti.com

SNOSAJ1D–NOVEMBER2006–REVISEDMARCH2013

LMH6555LowDistortion1.2GHzDifferentialDriver

CheckforSamples:LMH6555

1

FEATURES

DESCRIPTION

TheLMH6555isanultrahighspeeddifferentialline

2

•TypicalValuesunlessOtherwiseSpecified.

driverwith53dBSFDRat750MHz.TheLMH6555

•−3dBBandwidth(V

OUT

=0.80V

PP

)1.2GHz

featuresafixedgainof13.7dB.Aninputtothe

•±0.5dBGainFlatness(V

OUT

=0.80V

PP

)330

deviceallowstheoutputcommonmodevoltagetobe

MHz

setindependentoftheinputcommonmodevoltagein

ordertosimplifytheinterfacetohighspeed

•SlewRate1300V/μs

differentialinputADCs.Auniquearchitectureallows

•2

nd

/3

rd

Harmonics(750MHz)−53/−54dBc

thedevicetooperateasafullydifferentialdriveroras

•FixedGain13.7dB

asingle-endedtodifferentialconverter.

•SupplyCurrent120mA

Theoutstandinglinearityanddrivecapability(100Ω

•SingleSupplyOperation3.3V±10%

differentialload)ofthisdeviceareaperfectmatchfor

drivinghighspeedanalog-to-digitalconverters.When

•AdjustableCommon-ModeOutputVoltage

combinedwiththeADC081000/ADC081500(single

ordualADC),theLMH6555formsanexcellent8-bit

APPLICATIONS

dataacquisitionsystemwithanalogbandwidths

•DifferentialADCDriver

exceeding750MHz.

•TexasInstrumentsADC081500/ADC081000

TheLMH6555isofferedinaspacesaving16-pin

–(SingleorDual)DriverWQFNpackage.

•SingleEndedtoDifferentialConverter

•IntermediateFrequency(IF)Amplifier

•CommunicationReceivers

•OscilloscopeFrontEnd

TYPICALAPPLICATION

Figure1.SingleEndedtoDifferentialConversion

1

Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof

TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.

2Alltrademarksarethepropertyoftheirrespectiveowners.

PRODUCTIONDATAinformationiscurrentasofpublicationdate.

Copyright©2006–2013,TexasInstrumentsIncorporated

ProductsconformtospecificationsperthetermsoftheTexas

Instrumentsstandardwarranty.Productionprocessingdoesnot

necessarilyincludetestingofallparameters.

Product specificaties