HCPL2731-000E – AVAGO

The HCPL2731-000E is a dual-channel optocoupler manufactured by Avago Technologies, housed in an 8-pin dual in-line package (DIP). This device provides galvanic isolation up to 3.75 kVrms, suitable for applications requiring reinforced insulation. Each channel incorporates an AlGaAs LED optically coupled to a high-gain Darlington phototransistor. The Darlington output configuration provides a high current transfer ratio (CTR), enabling the device to drive logic gates or other loads directly. Key electrical characteristics include a typical CTR of 500% and a forward current (IF) requirement of approximately 1.6 mA to switch the output. The device exhibits a typical propagation delay of 10 µs, with a maximum supply voltage (VCC) rating of 20V. The HCPL2731-000E is designed for use in digital logic isolation, ground loop elimination, and power supply control circuits.