OPI125TX Datasheet OPI125TXV, OPI125TX | P1-P3

High Reliability Photologic®

Optically Coupled Isolator

OPI125 (TX, TXV)

Issue B 08/2016 Page 1

OPTEK Technology, Inc.

1645 Wallace Drive, Carrollton, TX 75006|Ph: +1 972 323 2200

www.optekinc.com | www.ttelectronics.com

General Note

TT Electronics reserves the right to make changes in product speciﬁcation without

notice or liability. All information is subject to TT Electronics’ own data and is

considered accurate at time of going to print.

Description:

EachOPI125TXandOPI125TXVisanopcallycoupledisolatorthatconsistsofagalliumaluminumarsenideinfraredlight

emingdiode(OP235TXorOP235TXV)andamonolithicintegratedcircuitwhichincorporatesaphotodiode,alinear

ampliﬁerandaSchmitriggeronasingledie(OPL800TXorOPL800TXV),

sealedinahighdielectricplaschousing.The

devicefeaturesTTL/LSTTLcompablelogicleveloutputwhichcandriveupto8TTLloadsdirectlywithoutaddional

circuitry.Alsofeaturedaremediumspeeddataratesto250KBaudwithtypicalriseandfallmesof70nanoseconds.

Thesedevices

aredesignedforapplicaonsthatrequirehighvoltageisolaonbetweeninputandoutput.



TX and TXV device components are processed to OPTEK’s military screening program paerned aer MIL‐PRF‐19500.



Please refer to Applicaon Bullens 208 and 210 for addional design informaon and reliability (degradaon) data.



Applications:

 Requiring high voltage isolation

between input and output

 Electrical isolation in dirty

environments

 Industrial equipment

 Medical equipment

Features:

 High current transfer ratio

 15 kV electrical isolation

 Direct TTL/LSTTL interface

 High noise immunity

 Data rates to 250 KBaud

 TX and TXV devices processed to MIL-PRF-19500



Part

Number

LED

Peak

Wavelength



Sensor

Photologic®

Isolaon

Voltage

(,000)



PLH

/t

PHL



Typ(ns)



(mA)

Typ/

Max



(Volts)

Max

Lead

Length/

Spacing

OPI125TX

890nm TotemPole 15 5/5 7.5/25 35.0 0.40"/0.75"

OPI125TXV

Pin# LED Pin# Photologic®

1 Anode 3 Output

2 Cathode 4 Vcc

5 Ground

DIMENSIONS ARE IN:

[MILLIMETERS]

INCHES

General Note

TT Electronics reserves the right to make changes in product speciﬁcation without

notice or liability. All information is subject to TT Electronics’ own data and is

considered accurate at time of going to print.

High Reliability Photologic®

Optically Coupled Isolator

OPI125 (TX, TXV)

Issue B 08/2016 Page 2

OPTEK Technology, Inc.

1645 Wallace Drive, Carrollton, TX 75006|Ph: +1 972 323 2200

www.optekinc.com | www.ttelectronics.com

AbsoluteMaximumRangs(T

=25°Cunlessotherwisenoted)

OperangTemperatureRange ‐65°Cto+150°C

StorageTemperatureRange ‐55°Cto+125°C

Input‐to‐OutputIsolaonVoltage

(1)

 ±15kVDC

LeadSolderingTemperature[1/16inch(1.6mm)frocasefor5secondswithsolderingiron]

(1)



260°C

PowerDissipaon

(2)

 250mW

InputDiode

ForwardDCCurrent 100mA

ReverseVoltage 2V

PowerDissipaon

(2)

 200mW

ConnuousCollectorCurrent 50mA

Collector‐BaseVoltage 30V

Collector‐EmierVoltage 30V

Emier‐BaseVoltage 5V

OutputPhototransistor

PowerDissipaon

(2)

 250mW

ElectricalCharacteriscs(T

=25°Cunlessotherwisenoted)

InputDiode

SYMBOL PARAMETER MIN TYP MAX UNITS TESTCONDITIONS

F

 ForwardVoltage

(4)



0.90 1.25 1.50

V

=10mA

1.00 1.45 1.70 I

=10mA,T

=‐55°C

0.70 1.10 1.30 I

=10mA,T

=100°C

 ReverseCurrent

‐ 0.10 10 µA V

=2V

Photologic®

 OperangSupplyVoltage 4.8

 5.2 V



 SupplyCurrent7.0 15.0 mA

CC

=5.2V,I

=0or7.5mA



Notes:

(1) Measuredwithinputleadsshortedtogetherandoutputleadsshortedtogetherinair

withamaximumrelavehumidityof50%.Ifsuitablyencapsulatedoroil‐immersed,the

isolaonvoltageisincreasedtoatleast25kV.

(2) Deratelinearly2.0mW/°Cabove25°C.

(3) Deratelinearly2.5mw/°Cabove25°C

(4) Measurementistakenduringthelast500µsofasingle1.0mstestpulse.Heangdueto

increasedpulserateorpulsewidthcancausechangeinmeasurementresults.

General Note

TT Electronics reserves the right to make changes in product speciﬁcation without

notice or liability. All information is subject to TT Electronics’ own data and is

considered accurate at time of going to print.

High Reliability Photologic®

Optically Coupled Isolator

OPI125 (TX, TXV)

Issue B 08/2016 Page 3

OPTEK Technology, Inc.

1645 Wallace Drive, Carrollton, TX 75006|Ph: +1 972 323 2200

www.optekinc.com | www.ttelectronics.com

ElectricalCharacteriscs(T

=25°Cunlessotherwisenoted)

SYMBOL PARAMETER MIN TYP MAX UNITS TESTCONDITIONS

Coupled

(+) LEDPosive‐GoingThresholdCurrent

(1)



‐ ‐ 7.5 mA V

=5.0V

‐ ‐ 7.5 mA V

=5.0V,T

=‐55°C

‐ ‐ 7.5 mA V

=5.0V,T

=100°C

F(+)

F(‐)

 HysteresisRao‐2.0‐‐ ‐

 LowLevelOutputVoltage‐‐4.0 V V

=4.8V,I

=13.0mA,I

=0

 HighLevelOutputVoltage 2.4‐ ‐V V

=4.8V,I

=‐800µA,I

=7.5mA

 ShortCircuitOutputCurrent‐30.0‐ ‐120 mA V

=5.2V,I

=7.5mA,Output=GND

IOS

 IsolaonVoltage(Input‐to‐Output) 15.0 kV SeeNote1

,t

 OutputRiseTimeandFallTime‐70.0 100 ns

PLH

,t

PHL

 PropagaonDelay,LowtoHigh&HightoLow‐ 5.0 10.0 µs

=5.0V,T

=25°C

=0or10.0mA

=10.0kHz,DC=50%

=8TTLLoads

Notes:

(1) MeasuredwithinputleadsshortedtogetherandoutputleadsshortedtogetherinairwitMeasurementistakenduringthelast500µsofasingle1.0mstestpulse.Heangduetoincreased

pulserateorpulsewidthcancausechangeinmeasurementresults.

P1-P3

OPI125TX

Mfr. #:

Buy OPI125TX

Manufacturer:

Optek / TT Electronics

Description:

High Speed Optocouplers HIGH VOLTAGE PHOTOLOGIC OPTICA

Lifecycle:

New from this manufacturer.

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OPI125TX

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