Texas Instruments LT1009 Bruksanvisning
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1
FEATURES
1
2
3
4
8
7
6
5
NC
NC
NC
ANODE
CATHODE
NC
CATHODE
ADJ
D OR PW PACKAGE
(TOP VIEW)
NC − No internal connection
ANODE
CATHODE
ADJ
LP PACKAGE
(TOP VIEW)
1
2
3
4
8
7
6
5
NC
NC
NC
ANODE
CATHODE
NC
CATHODE
ADJ
D OR PW PACKAGE
(TOP VIEW)
DESCRIPTION/ORDERINGINFORMATION
ANODECATHODE
ADJ
LT1009
www.ti.com
.................................................................................................................................................................SLVS013N–MAY1987–REVISEDMAY2009
2.5-VINTEGRATEDREFERENCECIRCUIT
•ExcellentTemperatureStability•WideOperatingCurrentRange
•InitialTolerance:0.2%Max•DirectlyInterchangeableWithLM136
•DynamicImpedance:0.6ΩMax•NeedsNoAdjustmentforMinimum
TemperatureCoefficient
TheLT1009referencecircuitisaprecision-trimmed2.5-Vshuntregulatorfeaturinglowdynamicimpedanceand
awideoperatingcurrentrange.Themaximuminitialtoleranceis±5mVintheLPpackageand±10mVintheD
andPWpackages.Thereferencetoleranceisachievedbyon-chiptrimming,whichminimizestheinitialvoltage
toleranceandthetemperaturecoefficient,α
VZ
.
AlthoughtheLT1009needsnoadjustments,athirdterminal(ADJ)allowsthereferencevoltagetobeadjusted
±5%toeliminatesystemerrors.Inmanyapplications,theLT1009canbeusedasaterminal-for-terminal
replacementfortheLM136-2.5,whicheliminatestheexternaltrimnetwork.
TheLT1009usesinclude5-Vsystemreferences,8-bitanalog-to-digitalconverter(ADC)anddigital-to-analog
converter(DAC)references,andpower-supplymonitors.Thedevicealsocanbeusedinapplicationssuchas
digitalvoltmetersandcurrent-loopmeasurementandcontrolsystems.
TheLT1009Cischaracterizedforoperationfrom0°Cto70°C.TheLT1009Iischaracterizedforoperationfrom
–40°Cto85°C.
SYMBOL
1
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexas
Instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©1987–2009,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
Produktspecifikationer
| Varumärke: | Texas Instruments |
| Kategori: | ej kategoriserat |
| Modell: | LT1009 |
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