
OPTOISO 3.75KV 2CH TRANS 8-DIP
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The HCPL-2531, manufactured by Sharp, is a dual-channel, high-speed optocoupler housed in an 8-pin dual inline package (DIP). It provides 3.75kVrms of reinforced insulation voltage between the input and output circuits, enabling safe electrical isolation. Each channel incorporates a gallium arsenide (GaAs) light-emitting diode (LED) optically coupled to a high-gain integrated photodetector. This configuration facilitates TTL-compatible output, achieving a typical propagation delay of under 25 ns and a common-mode transient immunity (CMTI) exceeding 10 kV/µs. The device operates from a 4.5V to 5.5V supply voltage and is designed for high-speed logic interfacing, input/output isolation, and digital transmission applications requiring reliable galvanic isolation. The HCPL-2531’s performance characteristics are typically specified at a forward current (IF) of 16mA.