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OPI1268 PDF даташит

Спецификация OPI1268 изготовлена ​​​​«ETC» и имеет функцию, называемую «High Speed / High Voltage Optical Isolator».

Детали детали

Номер произв OPI1268
Описание High Speed / High Voltage Optical Isolator
Производители ETC
логотип ETC логотип 

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OPI1268 Даташит, Описание, Даташиты
High Speed, High Voltage
Optical Isolator
OPI1268
TTL Compatible Output
16KV Isolation
2Mbd Transfer Rate
Creepage Path: 0.970” (24.64mm)
Air Path: 0.970” (24.64mm)
Low Propagation Delay Time
OPTEK Technology
Product Photo Here
The OPI1268 is a high voltage isolator with a digital output which is capable of high speed data transmission.
This device is capable of DC and AC voltage isolation between the input and output circuitry while providing
TTL signal integrity.
The input of the OPI1268 consists of a high efficiency GaAlAs LED which is optically coupled to the output opti-
cal IC. A photodiode in the output IC detects the incoming modulated light and converts it to a proportionate
current. This current is fed into a high gain, linear amplifier which is temperature, current and voltage compen-
sated. The result is a highly stable digital output in an open collector inverter configuration.
Applications include:
High Voltage Isolation
PCBoard Power System Isolation
Industrial Equipment Power Isolation
Medical Equipment Power Isolation
Ordering Information
Please order part number OPI1268
Optek reserves the right to make changes at any time in order to improve design and to supply the best product possible.
OPTEK Technology Inc.— 1645 Wallace Drive, Carrollton, Texas 75006
Phone: (800) 341-4747 FAX: (972) 323– 2396 [email protected] www.optekinc.com
A subsidiary of
TT electronics plc
Issue A 07.04









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OPI1268 Даташит, Описание, Даташиты
High Speed, High Voltage Optical Isolator
OPI1268
OPTEK Technology
Absolute Maximum Ratings (TA = 25o C unless otherwise noted)
Storage Temperature
Operating Temperature
Input-to-Output Isolation Voltage
Lead Soldering Temperature (1/16” (1.6mm) from case for 5 seconds with soldering iron)
LED
-40° C to +100° C
-40° C to +100° C
16KVDC(2)
260° C (1)
Forward Current
50 mA
Peadk Forward currnet (2 µs pulse width, 0.1% Duty Cycle)
3.0 A
Reverse DC Voltage
Power Dissipation
Output IC –Photologic®
3.0 V
100 mW
Supply Voltage Range
-0.5V to 7.0V
Output Voltage Range
-0.5V to 18.0V
Output Current
25 mA
Power Dissipation
Electrical Characteristics (TA = 25o C unless otherwise noted)
SYMBOL
PARAMETER
MIN TYP MAX UNITS
Input Diode
40 mW
TEST CONDITION
VF Forward Voltage
IR Reverse Current
Output IC (VCC = 4.5V to 5.5V)
IOH High Level Output Current
VOL Low Level Output Voltage
ICCH High Level Supply Current
ICCL Low Level Supply Current
Coupled Characteristics (VCC = 5V)
CIO Coupling Capacitance
tPLH Propagation Delay—Low to High
tPHL Propagation Delay—High to Low
tPHL- tPLH
Difference in Propagation Delays
IISO Isolation Leakage Current
1.3 1.6
100
0.25
0.4
2.5
6
15
0.5
7
10
V IF = 20mA
µA VR = 3.0V
µA IF = 0mA, VCC = 5.25V, VOH = 18.0V
V IF = 10mA, VCC = 4.5V, IOL = 8.0mA
mA IF = 0mA, VCC = 5.25V
mA IF = 10mA, VCC = 5.25V
2.0
100
200
100
1.0
pF Input and output leads shorted.
ns See Figures 1 & 2
ns See Figures 1 & 2
ns See Figures 1 & 2
VISO = 7KV(RMS), input and output
µA leads shorted
IF+
LED Positive Going Threshold Current 0.9 4.0 10.0
mA VCC = 5V, IOL = 8.0mA
Notes:
(1) RMA flux is recommended. The duration can be extended to 10 seconds maximum when flow soldering.
(2) Measured with the input leads and the output leads shorted together. Typical input/output capacitance is 0.05pF.
(3) Measured with a 1µs pulse width, 300pps.
OPTEK Technology Inc.— 1645 Wallace Drive, Carrollton, Texas 75006
Phone: (800) 341-4747 FAX: (972) 323– 2396 [email protected] www.optekinc.com
Issue A 07.04
Page 2 of 7









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OPI1268 Даташит, Описание, Даташиты
High Speed, High Voltage Optical Isolator
OPI1268
OPTEK Technology
ICCH & ICCL vs. Ambient Temperature
10
9
8
ICCL
Vcc = 5.25 V
IF = 10 mA
7
6
5
4
ICCH
3 Vcc=5.25 V
IF = 0 mA
2
1
0
-40
-20
0 20 40 60
Ta - Ambient Temperature - °C
80 100
VOL vs. Ambient Temperature
0.60
0.50
0.40
Vcc = 4.50 V
IOL = 8 mA
IF = 10 mA
0.30
0.20
0.10
0.00
-40
-20
0 20 40
Ta - Ambient Temperature - °C
OPTEK Technology Inc.— 1645 Wallace Drive, Carrollton, Texas 75006
Phone: (800) 341-4747 FAX: (972) 323– 2396 [email protected] www.optekinc.com
60
80
100
Issue A 07.04
Page 3 of 7










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