Texas Instruments INA283 Handleiding

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1221

22

Bus Supply

±14 V to +80 V

Load

Zer-

Drift





11

OUT

REF2

REF1

GND

2.7 V to 18 V

V+

+IN±IN

Output

PRODUCTGAIN

50 V/V

100 V/VINA286

200 V/VINA283

500 V/VINA284

1000 V/VINA285

INA282

33.3 k

33.3 k

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INA282

,

INA283

,

INA284

,

INA285

,

INA286

SBOS485C–NOVEMBER2009–REVISEDMAY2015

INA28xHigh-Accuracy,WideCommon-ModeRange,Bidirectional

CurrentShuntMonitors,Zero-DriftSeries

1Features3Description

TheINA28xfamilyincludestheINA282,INA283,

1

•WideCommon-ModeRange:–14Vto+80V

INA284,INA285,andINA286devices.Thesedevices

•OffsetVoltage:±20μV

arevoltageoutputcurrentshuntmonitorsthatcan

•CMRR:140dB

sensedropsacrossshuntsatcommon-mode

voltagesfrom–14Vto+80V,independentofthe

•Accuracy:

supplyvoltage.Thelowoffsetofthezero-drift

–±1.4%GainError(Max)

architectureenablescurrentsensingwithmaximum

–0.3μV/°COffsetDrift

dropsacrosstheshuntaslowas10mVfull-scale.

–0.005%/°CGainDrift(Max)

Thesecurrentsenseamplifiersoperatefromasingle

•AvailableGains:

+2.7-Vto+18-Vsupply,drawingamaximumof900

μAofsupplycurrent.Thesedevicesarespecified

–50V/V:INA282

overtheextendedoperatingtemperaturerangeof

–100V/V:INA286

–40°Cto+125°C,andofferedinSOIC-8and

–200V/V:INA283

VSSOP-8packages.

–500V/V:INA284

DeviceInformation

(1)

–1000V/V:INA285

ORDERNUMBERPACKAGEBODYSIZE(NOM)

•QuiescentCurrent:900μA(Max)

SOIC(8)4.90mmx3.91mm

INA28x

VSSOP(8)3.00mmx3.00mm

2Applications

(1)Forallavailablepackages,seethepackageoptionaddendum

•TelecomEquipment

attheendofthedatasheet.

•Automotive

•PowerManagement

•SolarInverters

DetailedBlockDiagram

1

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

Product specificaties