Features: • AC Signal Input• Gallium-Arsenide Diode Infrared Source• Source Is Optically Coupled to Silicon N-P-N Phototransistor• Choice of One, Two, or Four Channels• Choice of Three Current-Transfer Ratios• High-Voltage Electrical Isolation . . . 7.5 kV Peak ...
TIL920: Features: • AC Signal Input• Gallium-Arsenide Diode Infrared Source• Source Is Optically Coupled to Silicon N-P-N Phototransistor• Choice of One, Two, or Four Channels•...
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These optocouplers consist of two gallium-arsenide light-emitting diodes connected in a reverse-parallel configuration for ac-input applications and a silicon n-p-n phototransistor per channel. The TIL920 has one channel in a 4-pin package, the TIL921 has two channels in an 8-pin package, and the TIL922 has four channels in a 16-pin package. The standard devices, TIL920, TIL921, and TIL922, are tested for a current-transfer ratio of 20% minimum. Devices selected for a current-transfer ratio of 50% and 100% minimum are designated with
the suffix A and B respectively.