Texas Instruments ISO7631FC Bedienungsanleitung

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OUTx

GNDOGNDI

INx

V

CCO

V

CCI

Isolation

Capacitor

ENx

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AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

ISO7631FM

,

ISO7631FC

,

ISO7641FC

SLLSEC3F–SEPTEMBER2012–REVISEDAPRIL2016

ISO76x1Low-PowerTripleandQuad-ChannelsDigitalIsolators

1

1Features

1

•SignalingRate:150Mbps(M-Grade),25Mbps

(C-Grade)

•RobustDesignwithIntegratedNoiseFilter

(C-Grade)

•LowPowerConsumption,TypicalI

CC

perChannel

(3.3-VSupplies):

–ISO7631FM:2mAat10Mbps

–ISO7631FC:1.5mAat10Mbps

–ISO7641FC:1.3mAat10Mbps

•Extremely-LowI

CC_disable

(C-Grade)

•LowPropagationDelay:7nsTypical(M-Grade)

•OutputDefaultstoLow-StateinFail-SafeMode

•WideTemperatureRange:–40°Cto125°C

•50KV/µsTransientImmunity,Typical

•LongLifeWithSiO

2

IsolationBarrier

•OperatesFrom2.7-V(M-Grade),3.3-Vand5-V

SupplyandLogicLevels

•2.7-V(M-Grade),3.3-Vand5-VLevelTranslation

•WideBodySOIC-16Package

•SafetyandRegulatoryApprovals

–2500V

RMS

Isolationfor1MinuteperUL1577

–4242V

PK

BasicInsulationperDINVVDEV

0884-10andDINEN61010-1

–CSAComponentAcceptanceNotice5A,IEC

60950-1andIEC61010-1EndEquipment

Standards

–CQCCertificationperGB4943.1-2011

–TUV3000V

RMS

ReinforcedInsulation

accordingtoEN/UL/CSA60950-1and

EN/UL/CSA61010-1

2Applications

•OptocouplerReplacementin:

–IndustrialFieldbus

–Profibus

–Modbus

–DeviceNet™DataBuses

–ServoControlInterface

–MotorControl

–PowerSupplies

–BatteryPacks

3Description

TheISO7631FandISO7641Fdevicesprovide

galvanicisolationupto4242V

PK

perVDE.The

ISO7631Fdevicehasthreechannels,twoofwhich

operateintheforwarddirectionandonewhich

operatesinthereversedirection.TheISO7641F

devicehas4channels,threeofwhichoperateinthe

forwarddirectionandoneofwhichoperatesinthe

reversedirection.SuffixFindicatesthatoutput

defaultstolow-stateinfail-safeconditions(see).M-

Gradedevicesarehigh-speedisolatorscapableofup

to150-Mbpsdatarateswithfastpropagationdelays,

whereasC-Gradedevicesarecapableofupto25-

Mbpsdatarateswithlowpowerconsumptionand

integratedfiltersfornoise-proneapplications.C-

Gradedevicesarerecommendedforlower-speed

applicationswhereinputnoisepulsesoflessthan6

nsdurationmustbesuppressed,orwhenlow-power

consumptioniscritical.

Eachisolationchannelhasalogicinputandoutput

bufferseparatedbyasilicondioxide(SiO

2

)insulation

barrier.Usedinconjunctionwithisolatedpower

supplies,thesedevicespreventnoisecurrentsona

databusorothercircuitsfromenteringthelocal

groundandinterferingwithordamagingsensitive

circuitry.ThedeviceshaveTTLinputthresholdsand

canoperatefrom2.7-V(M-Grade),3.3-Vand5-V

supplies.Allinputsare5-Vtolerantwhensupplied

from3.3-Vor2.7-Vsupplies.

DeviceInformation

(1)

PARTNUMBERPACKAGEBODYSIZE(NOM)

ISO7631FM

SOIC(16)10.30mm×7.50mmISO7631FC

ISO7641FC

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

SimplifiedSchematic

(1)V

CCI

andGNDIaresupplyandground

connectionsrespectivelyfortheinput

channels.

(2)V

CCO

andGNDOaresupplyandground

connectionsrespectivelyfortheoutput

channels.

Produktspezifikationen