Texas Instruments ADS42JB69 Handleiding

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ADS42JB49

,

ADS42JB69

SLAS900F–OCTOBER2012–REVISEDDECEMBER2014

ADS42JBx9Dual-Channel,14-and16-Bit,250-MSPSAnalog-to-DigitalConverters

1Features2Applications

1

•Dual-ChannelADCs

•CommunicationandCableInfrastructure

•14-and16-BitResolution•Multi-Carrier,MultimodeCellularReceivers

•MaximumClockRate:250MSPS•RadarandSmartAntennaArrays

•JESD204BSerialInterface•BroadbandWireless

•TestandMeasurementSystems

–Subclass0,1,2Compliant

•Software-DefinedandDiversityRadios

–Upto3.125Gbps

•MicrowaveandDual-ChannelI/QReceivers

–TwoandFourLanesSupport

•Repeaters

•AnalogInputBufferwithHigh-ImpedanceInput

•PowerAmplifierLinearization

•FlexibleInputClockBuffer:

Divide-by-1,-2,and-4

3Description

•DifferentialFull-ScaleInput:2V

PP

and2.5V

PP

TheADS42JB69andADS42JB49arehigh-linearity,

(RegisterProgrammable)

dual-channel,16-and14-bit,250-MSPS,analog-to-

•Package:9-mm×9-mmVQFN-64

digitalconverters(ADCs).Thesedevicessupportthe

•PowerDissipation:850mW/Ch

JESD204Bserialinterfacewithdataratesupto

3.125Gbps.Thebufferedanaloginputprovides

•ApertureJitter:85f

S

rms

uniforminputimpedanceacrossawidefrequency

•InternalDither

rangewhileminimizingsample-and-holdglitchenergy

•ChannelIsolation:100dB

makingiteasytodriveanaloginputsuptoveryhigh

•Performance:

inputfrequencies.Asamplingclockdividerallows

moreflexibilityforsystemclockarchitecturedesign.

–f

IN

=170MHzat2V

PP

,–1dBFS

Thedevicesemployinternalditheralgorithmsto

–SNR:73.3dBFS

provideexcellentspurious-freedynamicrange

–SFDR:93dBcforHD2,HD3

(SFDR)overalargeinputfrequencyrange.

–SFDR:100dBcforNonHD2,HD3

DeviceInformation

(1)

–f

IN

=170MHzat2.5V

PP

,–1dBFS

PARTNUMBERPACKAGEINTERFACEOPTION

–SNR:74.7dBFS

14-bitDDRorQDRLVDS

ADS42JB49VQFN(64)

–SFDR:89dBcforHD2,HD3and

14-bitJESD204B

95dBcforNonHD2,HD3

16-bitDDRorQDRLVDS

ADS42JB69VQFN(64)

16-bitJESD204B

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

space

space

1

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

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