This document introduces the features and characteristics of 6N138/9 and HCPL-2730/HCPL-2731 optocouplers, including low input current, high gain, high common mode voltage suppression ratio.
The document describes the 6N138/9 single-channel and HCPL-2730/HCPL-2731 dual-channel optocouplers. These devices feature an AlGaAs LED coupled to a high gain split Darlington photodetector, offering low input current requirements of 0.5 mA and superior common mode rejection.
The datasheet provides comprehensive electrical specifications including absolute maximum ratings, transfer characteristics, switching times, and isolation properties. It also includes application notes for logic interface resistor calculations and graphical data relating propagation delay to load resistance.
| Input Current (Average) | 0.5 mA |
|---|---|
| Current Transfer Ratio (CTR) Min | 2000% |
| Common Mode Rejection Rate | 10 kV/us |
| Operating Temperature Range | -40 to +85 °C |
| Input Power Dissipation | 35 mW |
| Output Power Dissipation | 100 mW |
The devices require a very low input current of 0.5 mA.
Yes, they are listed as applications for digital logic ground isolation and telephone ring detectors.