Texas Instruments ADS5521 Handleiding

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1

FEATURES

APPLICATIONS

DESCRIPTION

.

.

.

ADS5521

Serial Programming Register

Control Logic

Timing Circuitry

Internal

Reference

Output

Control

CLKOUT

CLK+

CLK−

V

IN+

V

IN−

CM

AV

DD

DRV

DD

OVR

DFS

Digital

Error

Correction

12-Bit

Pipeline

ADC

Core

S&H

A

GND

DR

GND

SCLKSDATASEN

D0

D11

ADS5521

www.ti.com

......................................................................................................................................................SBAS309D–MAY2004–REVISEDOCTOBER2008

12-Bit,105MSPS

Analog-To-DigitalConverter

THS9001,OPA695,OPA847

2

•12-BitResolution

•105MSPSSampleRate

•WirelessCommunication

•HighSNR:70dBFSat100MHzf

IN

–CommunicationReceivers

•HighSFDR:86dBcat100MHzf

IN

–BaseStationInfrastructure

•2.3-V

PP

DifferentialInputVoltage

•TestandMeasurementInstrumentation

•InternalVoltageReference

•SingleandMultichannelDigitalReceivers

•3.3-VSingle-SupplyVoltage

•CommunicationInstrumentation

•AnalogPowerDissipation:571mW

–Radar

•SerialProgrammingInterface

–Infrared

•TQFP-64PowerPAD™Package

•VideoandImaging

•MedicalEquipment

•RecommendedOpAmps:

THS3201,THS3202,THS4503,THS4509,

TheADS5521isahigh-performance,12-bit,105MSPSanalog-to-digitalconverter(ADC).Toprovideacomplete

convertersolution,itincludesahigh-bandwidthlinearsample-and-holdstage(S&H)andinternalreference.

Designedforapplicationsdemandingthehighestspeedandhighestdynamicperformanceinlittlespace,the

ADS5521hasexcellentpowerconsumptionof571mWat3.3-Vsingle-supplyvoltage.Thisallowsaneven

highersystemintegrationdensity.Theprovidedinternalreferencesimplifiessystemdesignrequirements.Parallel

CMOS-compatibleoutputensuresseamlessinterfacingwithcommonlogic.

TheADS5521isavailableina64-pinTQFPPowerPADpackageandinanindustrialtemperaturegradedevice.

Table1.ADS5500ProductFamily

80MSPS105MSPS125MSPS

12BitADS5522ADS5521ADS5520

14BitADS5542ADS5541ADS5500

1

Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexas

Instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.

2PowerPADisatrademarkofTexasInstruments.

PRODUCTIONDATAinformationiscurrentasofpublicationdate.

Copyright©2004–2008,TexasInstrumentsIncorporated

ProductsconformtospecificationsperthetermsoftheTexas

Instrumentsstandardwarranty.Productionprocessingdoesnot

necessarilyincludetestingofallparameters.

Product specificaties