Texas Instruments ADS5407 Handleiding

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12bit

500Msps

12bit

500Msps

INA

INB

CLKIN

SYNC

DA[11:0]

DB[11:0]

Digital

Block

Digital

Block

Clk

Buffer

DACLK

DBCLK

ADS5407

www.ti.com

SLAS934B–MARCH2013–REVISEDJANUARY2014

DualChannel12-Bit500MspsAnalogtoDigitalConverter

CheckforSamples:ADS5407

1

FEATURES

DESCRIPTION

TheADS5407isahighlinearitydualchannel12-bit,

•DualChannel

500MSPSanalog-to-digitalconverter(ADC)easing

•12-BitResolution

frontendfilterdesignforwidebandwidthreceivers.

•MaximumClockRate:500Msps

Theanaloginputbufferisolatestheinternalswitching

oftheon-chiptrack-and-holdfromdisturbingthe

•LowSwingFullscaleInput:1.25Vpp

signalsourceaswellasprovidingahigh-impedance

•AnalogInputBufferwithHighImpedanceInput

input.Optionallytheoutputdatacanbedecimatedby

•InputBandwidth(3dB):>1.0GHz

two.DesignedforhighSFDR,theADChaslow-noise

performanceandoutstandingspurious-freedynamic

•DataOutputInterface:DDRLVDS

rangeoveralargeinput-frequencyrange.Thedevice

•Optional2xDecimationwithLowPassorHigh

isavailableina196pinBGApackageandis

PassFilter

specifiedoverthefullindustrialtemperaturerange

•196-PinBGAPackage(12x12mm)

(–40°Cto85°C).

APPLICATIONS

•TestandMeasurementInstrumentation

•Ultra-WideBandSoftwareDefinedRadio

•DataAcquisition

•PowerAmplifierLinearization

•SignalIntelligenceandJamming

•RadarandSatelliteSystems

•MicrowaveReceivers

KEYSPECIFCATIONS

•PowerDissipation:675mW/ch(Auto

CorrectionDisabled)

•SpectralPerformanceatf

IN

=230MHzIF

Numberof

–SNR:63.7dBFS

DevicePartNo.SpeedGrade

Channels

–SFDR:

ADS54022800Msps

–77dBc(AutoCorrectionDisabledoff)

ADS54011800Msps

–75dBc(AutoCorrectionDisabledon)

ADS54042500Msps

•SpectralPerformanceatf

IN

=450MHzIF

ADS54031500Msps

ADS54072500Msps

–SNR:63.6dBFS

ADS54092900Msps

–SFDR:

–77dBc(AutoCorrectionDisabledoff)

–75dBc(AutoCorrectionDisabledon)

1

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