Texas Instruments ISO7340C 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.

ISO7340C

,

ISO7340FC

,

ISO7341C

,

ISO7341FC

,

ISO7342C

,

ISO7342FC

SLLSEI6G–SEPTEMBER2014–REVISEDJANUARY2017

ISO734xRobustEMC,Low-Power,Quad-ChannelDigitalIsolators

1

1Features

1

•SignalingRate:25Mbps

•IntegratedNoiseFilterontheInputs

•DefaultOutputHighandLowOptions

•LowPowerConsumption,TypicalI

CC

perChannel

at1Mbps:

–ISO7340x:0.9mA(5-VSupplies),

0.7mA(3.3-VSupplies)

–ISO7341x:1.2mA(5-VSupplies),

0.9mA(3.3-VSupplies)

–ISO7342x:1.3mA(5-VSupplies),

0.9mA(3.3-VSupplies)

•LowPropagationDelay:31ns

Typical(5-VSupplies)

•3.3-Vand5-VLevelTranslation

•WideTemperatureRange:–40°Cto125°C

•70-KV/μsTransientImmunity,

Typical(5-VSupplies)

•RobustElectromagneticCompatibility(EMC)

–System-levelESD,EFT,andSurgeImmunity

–LowEmissions

•Operatesfrom3.3-Vand5-VSupplies

•Wide-BodySOIC-16Package

•Safety-RelatedCertifications:

–4242-V

PK

BasicIsolationperDINVVDEV

0884-10andDINEN61010-1

–3-KV

RMS

Isolationfor1minuteperUL1577

–CSAComponentAcceptanceNotice5A,IEC

60950-1andIEC61010-1EndEquipment

Standards

–GB4943.1-2011CQCCertified

2Applications

•OptocouplerReplacementin:

–IndustrialFieldbus

–Profibus

–Modbus

–DeviceNetDataBuses

–ServoControlInterface

–MotorControl

–PowerSupplies

–BatteryPacks

3Description

TheISO734xfamilyofdevicesprovidesgalvanic

isolationupto3000V

RMS

for1minuteperUL1577

and4242V

PK

perVDEV0884-10.Thesedevices

havefourisolatedchannelscomprisedoflogicinput

andoutputbuffersseparatedbyasilicondioxide

(SiO

2

)insulationbarrier.

TheISO7340xdevicehasfourchannelsinforward

direction,theISO7341xdevicehasthreeforwardand

onereverse-directionchannels,andtheISO7342x

devicehastwoforwardandtworeverse-direction

channels.Incaseofinputpowerorsignalloss,the

defaultoutputislowfordeviceswithsuffixFandhigh

fordeviceswithoutsuffixF.SeetheDevice

FunctionalModessectionforfurtherdetails.

DeviceInformation

(1)

PARTNUMBERPACKAGEBODYSIZE

ISO7340C

SOIC(16)10.30mm×7.50mm

ISO7340FC

ISO7341C

ISO7341FC

ISO7342C

ISO7342FC

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

SimplifiedSchematic

V

CCI

andGNDIaresupplyandground

connectionsrespectivelyfortheinput

channels.

V

CCO

andGNDOaresupplyandground

connectionsrespectivelyfortheoutput.

Produktspezifikationen