High Voltage Isolator
OPI1266
Features:
TTL compa ble output
16 kV dc isola on
500 kbits/s transfer rate
tPHL‐tPLH ≤ 500 ns
Creepage path: 0.970” (24.64 mm)
Air path: 0.970” (24.64 mm)
UL recognized file No. E58730*
Description:
The OPI1266 is a high voltage isolator that consists of a GaAIAs LED with a peak wavelength of 890 nm, which is coupled
with a unique integrated circuit detector. Photons are collected in the detector by a photodiode and amplified by a high‐
gain linear amplifier that drives a Scho ky clamped open collector output transistor. The circuit is temperature, current and
voltage compensated. Propaga on delay mes are matched within 500 nanoseconds over the en re temperature range for
ming purposes (Δ TP = tPHL‐tPLH). *UL recogni on is for 15kV dc. This design produces maximum DC and AC current isola on
between the input and output, while providing TTL/LSTTL circuit compa bility.
Ordering InformaƟon
Applications:
Data transmission for High
voltage isola on
PCBoard power system
isola on
Industrial equipment
power isola on
Medical equipment
power isola on
Office equipment
Pin #
Part
Number
LED Peak
Wavelength
Sensor
Photologic®
IsolaƟon
Voltage
(,000)
tPLH / tPHL
Max (ns)
IF (mA)
Typ / Max
VCE (V)
Max
OPI1266
890 nm
Open Collector
16
500 / 500
13.5 / 50
7.0
Lead
Length /
Spacing
0.12" /
0.98"
FuncƟon
1
Anode
2
Cathode
3
VCC
4
Output
5
Ground
Symbolize This Side
DIMENSIONS ARE IN:
[MILLIMETERS]
INCHES
1µA
Figure 1
RoHS
General Note
TT Electronics reserves the right to make changes in product specifica on without
no ce or liability. All informa on is subject to TT Electronics’ own data and is
considered accurate at me of going to print.
© TT electronics plc
* REPRESENTS CRITICAL DIMENSION TO BE SAMPLE INSPECTED.
TT Electronics | OPTEK Technology
2900 E. Plano Pkwy, Plano, TX 75074 | Ph: +1 972 323 2200
www. electronics.com | sensors@ electronics.com
Rev D 10/2022 Page 1
High Voltage Isolator
OPI1266
Electrical Specifications
Absolute Maximum RaƟngs (TA = 25° C unless otherwise noted)
Storage Temperature
Opera ng Temperature
‐40° C to +85° C
‐40° C to +70° C
Input‐to‐Output Isola on Voltage
16 kVDC
(3)
Lead Soldering Temperature (1/16” (1.6 mm) from case for 5 seconds with soldering iron)
260° C
Input Diode
Con nuous Forward Current
50 mA
Peak Forward Current (1 µs pulse width, 300 pps)
3.0 A
Reverse Voltage
2.0 V
(1)
Power Dissipa on
100 mW
Output IC
Maximum Supply Voltage
7 V
(1)
Power Dissipa on
100 mW
Electrical CharacterisƟcs (TA = 0° C to 70° C unless otherwise noted)
SYMBOL
PARAMETER
MIN
TYP
MAX
UNITS
TEST CONDITIONS
Input Diode (See OP240 for addi onal informa on—for reference only.)
VF
Forward Voltage
‐
1.2
1.8
V
IF = 20 mA
IR
Reverse Current
‐
‐
100
µA
VR = 2.0 V
Output IC (VCC = 4.75 V to 5.25 V) (See OPL550 for addi onal informa on—for reference only.)
IOH
High Level Output Current
‐
‐
100
µA
IF = 0.0 mA, VOH = 5.25 V
VOL
Low Level Output Voltage
‐
‐
0.60
V
IF = 13.5 mA, IOL = 2.6 mA
ICCH
High Level Supply Current
2.5
‐
15
ICCL
Low Level Supply Current
‐
‐
18
mA
IF = 0, VCC = 5.25 V
IF = 13.5 mA, IOL = 2.6 mA, VCC = 5.25 V
Coupled CharacterisƟcs (VCC = 5 V)
CIO
Coupling Capacitance
‐
‐
2
tPLH
Propaga on Delay to Low Output Level
‐
‐
800
tPHL
Propaga on Delay to High Output Level
‐
‐
800
ΔTP
Difference in Propaga on Delays
‐500
‐
IISO
Isola on Leakage Current(4)
‐
‐
pF
Input and output leads shorted.
ns
See Figure 1
500
ns
See Figure 1
20
µA
VISO = 19.2kV dc
(input and output leads shorted)
Notes:
(1) Derate linearly 1.33 W/°C above 25° C.
(2) UL recogni on is for 15 kV dc for one minute.
(3) RMA flux is recommended. The dura on can be extended to 10 seconds maximum when flow soldering. Refer to Applica on note 260 for recom‐
mended wave solder profile.
(4) Measured with input and output leads shorted.
General Note
TT Electronics reserves the right to make changes in product specifica on without
no ce or liability. All informa on is subject to TT Electronics’ own data and is
considered accurate at me of going to print.
© TT electronics plc
TT Electronics | OPTEK Technology
2900 E. Plano Pkwy, Plano, TX 75074 | Ph: +1 972 323 2200
www. electronics.com | sensors@ electronics.com
Rev D 10/2022 Page 2
High Voltage Isolator
OPI1266
V(out) vs Forward Current
VOL vs Ambient Temperature
6.0
0.6
5.0
VCC=4.50V
IOL=8mA
IF=10mA
0.5
VCC=5.0V
RL=1,750 W
0.4
Typical VOL (Volts)
Typical V(out) - V
4.0
3.0
2.0
0.3
0.2
1.0
0.1
0.0
0.0
0
1
2
3
4
5
6
IF - Forward Current - mA
7
8
9
10
-40
-20
60
80
ICCH vs ICCL Ambient Temperature
IOH vs Ambient Temperature
0.10
14
Vcc=5.2
0.09
VCC = 5.25V
VOH = 18.0V
12
ICCL
Typical Supply Current (mA)
0.08
0.07
Typical IOH (µA)
0
20
40
TA - Ambient Temperature - °C
0.06
0.05
0.04
0.03
10
8
ICCH
6
4
0.02
2
0.01
0.00
0
-40
-20
0
20
40
Ta - Ambient Temperature - °C
60
80
-40
-20
0
20
40
TA - Ambient Temperature -°C
60
80
Propogation Delay vs Ambient Temperature
600
TPHL
Typical Propogation Delay (ns)
500
Vcc = 5.25
IF = 20mA
RL = 560W
Freq. = 100KHz
400
300
TPLH
200
100
0
-40
-20
0
20
40
TA - Ambient Temperature - °C
60
General Note
TT Electronics reserves the right to make changes in product specifica on without
no ce or liability. All informa on is subject to TT Electronics’ own data and is
considered accurate at me of going to print.
© TT electronics plc
80
TT Electronics | OPTEK Technology
2900 E. Plano Pkwy, Plano, TX 75074 | Ph: +1 972 323 2200
www. electronics.com | sensors@ electronics.com
Rev D 10/2022 Page 3
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