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6N138M, 6N139M, HCPL2730M, HCPL2731M 8-Pin DIP Low Input Current High Gain Split Darlington Optocouplers
August 2016
Single-Channel: 6N138M, 6N139M
Dual-Channel: HCPL2730M, HCPL2731M
8-Pin DIP Low Input Current High Gain Split
Darlington Optocouplers
Features Description
Low Current 0.5 mA
The single-channel, 6N138M, 6N139M and dual-channel
Superior CTR 2000% HCPL2730M, HCPL2731M optocouplers consist of an
AlGaAs LED optically coupled to a high gain split darling-
Superior CMR 10 kV/s
ton photodetector.
CTR Guaranteed 0 to 70C
The split darlington configuration separating the input
Dual Channel HCPL2730M, HCPL2731M
photodiode and the first stage gain from the output tran-
Safety and Regulatory Approvals
sistor permits lower output saturation voltage and higher
UL1577, 5,000 VAC for 1 Minute
RMS
speed operation than possible with conventional darling-
DIN EN/IEC60747-5-5
ton phototransistor optocoupler. In the dual channel
devices, HCPL2730M and HCPL2731M, an integrated
Applications
emitter-base resistor provides superior stability over tem-
Digital Logic Ground Isolation
perature.
Telephone Ring Detector
The combination of a very low input current of 0.5 mA
EIA-RS-232C Line Receiver
and a high current transfer ratio of 2000% makes this
High Common Mode Noise Line Receiver
family particularly useful for input interface to MOS,
P Bus Isolation CMOS, LSTTL and EIA RS232C, while output compati-
bility is ensured to CMOS as well as high fan-out TTL
Current Loop Receiver
requirements. An internal noise shield provides excep-
tional common mode rejection of 10 kV/ s.
Related Resources
www.fairchildsemi.com/products/optoelectronics/
www.fairchildsemi.com/pf/HC/HCPL0700.html
www.fairchildsemi.com/pf/HC/HCPL0730.html
www.fairchildsemi.com/pf/HC/HCPL0731.html
Schematics Package Outlines
V
N/C 1 8 + V
1 8
CC
CC
V
F1 8
8
_
V
+ 2 7 V
2 7
B
01
1
1
V
F
_
_
3 6 V 3 V
6
O 02
V
F2
4 5 GND
N/C GND 8
+ 4 5
8
1
6N138M / 6N139M HCPL2730M / HCPL2731M
1
Figure 2. Package Options
Figure 1. Schematics
2009 Fairchild Semiconductor Corporation www.fairchildsemi.com
6N138M, 6N139M, HCPL2730M, HCPL2731M Rev. 1.5