Summary
Dual-Channel: HCPL2730M, HCPL2731M (Preliminary) Low Input Current High Gain Split Darlington Optocouplers
Description
The 6N138M/9M and HCPL2730M/31M optocouplers consist of an AlGaAs LED optically coupled to a high gain split darlington photodetector.
Source title
6N138M Datasheet(PDF) - Fairchild Semiconductor