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This literature is subject to all applicable copyright laws and is not for resale in any manner. 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