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HCPL-2731V 数据表(PDF) 1 Page - Fairchild Semiconductor

部件名 HCPL-2731V
功能描述  LOW INPUT CURRENT HIGH GAIN SPLIT DARLINGTON OPTOCOUPLERS
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制造商  FAIRCHILD [Fairchild Semiconductor]
网页  http://www.fairchildsemi.com
标志 FAIRCHILD - Fairchild Semiconductor

HCPL-2731V 数据表(HTML) 1 Page - Fairchild Semiconductor

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©2005 Fairchild Semiconductor Corporation
1
www.fairchildsemi.com
July 2005
Single-Channel: 6N138, 6N139 Dual-Channel: HCPL-2730, HCPL-2731 Rev. 1.0.0
Single-Channel: 6N138, 6N139
Dual-Channel: HCPL-2730, HCPL-2731
Low Input Current High Gain Split
Darlington Optocouplers
Features
■ Low current - 0.5 mA
■ Superior CTR-2000%
■ Superior CMR-10 kV/µs
■ CTR guaranteed 0-70°C
■ U.L. recognized (File # E90700)
■ VDE recognized (File # 120915) Ordering option
V, e.g., 6N138V
■ Dual Channel - HCPL-2730
■ HCPL-2731
Applications
■ Digital logic ground isolation
■ Telephone ring detector
■ EIA-RS-232C line receiver
■ High common mode noise line receiver
■ µP bus isolation
■ Current loop receiver
Description
The 6N138/9 and HCPL-2730/HCPL-2731 optocouplers consist
of an AlGaAs LED optically coupled to a high gain split darling-
ton photodetector.
The split darlington configuration separating the input photo-
diode and the first stage gain from the output transistor permits
lower output saturation voltage and higher speed operation than
possible with conventional darlington phototransistor optocou-
pler. In the dual channel devices, HCPL-2730/HCPL2731, an
integrated emitter - base resistor provides superior stability over
temperature.
The combination of a very low input current of 0.5 mA and a
high current transfer ratio of 2000% makes this family particu-
larly useful for input interface to MOS, CMOS, LSTTL and EIA
RS232C, while output compatibility is ensured to CMOS as well
as high fan-out TTL requirements. An internal noise shield pro-
vides exceptional common mode rejection of 10 kV/µs.
PackageSchematic
8
8
1
8
1
1
1
2
3
4
5
6
7
8
+
_
V
F
V
CC
V
B
V
O
GND
6N138 / 6N139
N/C
N/C
1
2
3
4
5
6
7
8
+
_
V
F1
V
CC
V
01
V
02
GND
HCPL-2730 / HCPL-2731
V
F2
_
+


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