Texas Instruments ISO7821LL Handleiding

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Isolation

Capacitor

INx+

INx±

OUTx+

OUTx±

LVDS TX

LVDS RX

V

CCI

GNDI

V

CCO

GNDO

ENx

Copyright © 2016, Texas Instruments Incorporated

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AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

ISO7820LL

,

ISO7821LL

SLLSET8A–MARCH2016–REVISEDAUGUST2016

ISO782xLLHigh-Performance,8000-V

PK

ReinforcedIsolatedDual-LVDSBuffer

1

1Features

1

•ComplieswithTIA/EIA-644-ALVDSStandard

•SignalingRate:Upto100Mbps

•WideSupplyRange:2.25Vto5.5V

•WideTemperatureRange:–55°Cto+125°C

Ambient

•LowPowerConsumption,perChannelat100

Mbps:

–Typical9.3-mA(ISO7820LL)

–Typical9.5-mA(ISO7821LL)

•LowPropagationDelay:17-nsTypical

•IndustryleadingCMTI(min):±100kV/μs

•RobustElectromagneticCompatibility(EMC)

•System-LevelESD,EFT,andSurgeImmunity

•LowEmissions

•IsolationBarrierLife:>40Years

•WideBodyandExtra-WideBodySOIC-16

PackageOptions

•IsolationSurgeWithstandVoltage12800V

PK

•Safety-RelatedCertifications:

–8000-V

PK

ReinforcedIsolationperDINVVDE

V0884-10(VDEV0884-10):2006-12

–5700-V

RMS

Isolationfor1minuteperUL1577

–CSAComponentAcceptanceNotice5A,IEC

60950–1andIEC60601–1EndEquipment

Standards

–TUVCertificationperEN61010-1andEN

60950-1

–GB4943.1-2011CQCCertification

–AllCertificationsarePlanned

2Applications

•MotorControl

•TestandMeasurement

•IndustrialAutomation

•MedicalEquipment

•CommunicationSystems

3Description

TheISO782xLLfamilyofdevicesisahigh-

performance,isolateddual-LVDSbufferwith8000-

V

PK

isolationvoltage.Thisdeviceprovideshigh

electromagneticimmunityandlowemissionsatlow-

powerconsumption,whileisolatingtheLVDSbus

signal.EachisolationchannelhasanLVDSreceive

andtransmitbufferseparatedbysilicondioxide

(SiO

2

)insulationbarrier.

TheISO7820LLdevicehastwoforward-direction

channels.TheISO7821LLdevicehasoneforward

andonereverse-directionchannel.

Throughinnovativechipdesignandlayout

techniques,theelectromagneticcompatibilityofthe

ISO782xLLfamilyofdeviceshasbeensignificantly

enhancedtoeasesystem-levelESD,EFT,surge,and

emissioncompliance.

TheISO782xLLfamilyofdevicesisavailablein16-

pinSOICwide-body(DW)packageandextra-wide

body(DWW)packages.

DeviceInformation

(1)

PARTNUMBERPACKAGEBODYSIZE(NOM)

ISO7820LL

ISO7821LL

DW(16)10.30mm×7.50mm

DWW(16)10.30mm×14.00mm

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

SimplifiedSchematic

V

CCI

andGNDIaresupplyandgroundconnectionsrespectivelyfortheinputchannels.

V

CCO

andGNDOaresupplyandgroundconnectionsrespectivelyfortheoutputchannels.

Product specificaties