ACPL-772L-060E

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Optoisolators, or optical isolators, are optoelectronic devices that use light as a form of electrical isolation to provide a barrier between two circuits. The ACPL-772L-060E optoisolator belongs to the Logic Output optoisolator family and has a special purpose important for low to medium current control.The ACPL-772L-060E consists of an infrared LED to transmit light, and a phototransistor to receive it, all housed in a 4-pin dual-in-line package. The package is encapsulated in a translucent plastic material to help restrict electrostatic discharge, allowing for a satisfactory reliability level. Furthermore, the isolation voltage rated at 3750 Vrms meets the safety standards demanded in various industrial control applications.In terms of performance, the ACPL-772L-060E operates with an input voltage range of 3.3V to 5.5V at a maximum input current of 10µA. Its collector-emitter saturation voltage is at the typical 0.3V, while its peak collector current is capable of delivering up to 40mA. This optoisolator also features a response time ranging from 3µs to 40µs for high speed and discrete applications.The application of the ACPL-772L-060E consists of various computer-related tasks, especially those demanding a isolation barrier for noise or surges. Its digital output is used to switch and control the load with a flow of current, proving most useful in logic circuit or gate applications. The logic output also allows it to sense digital signal levels, making this optoisolator a suitable choice in junction temperature sensing devices, current sensors, electrically isolated level shifters, and not to mention simple on/off control applications.The working principle behind the ACPL-772L-060E optoisolator is pretty straightforward. Applying a voltage to the LED clears the base-emitter junction and turns it on, allowing current to flow through it. As the LED emits light, the phototransistor will detect it, and turns itself on. This will cause a current to flow between the collector and the emitter, which is how this optoisolator signals the output. The optical isolation provides complete electrical isolation, shielding the connected circuit from voltage surges and keeping it safe from any high or low frequency interference.All in all, the ACPL-772L-060E optoisolator proves to be an invaluable resource in controlling current systems, allowing for both the detection and protection of various digital signals. Its broad current range and quick response time makes it a perfect match for low to medium current control applications, while the encapsulated plastic material keeps it reliably safe from electrostatic discharges. Its versatility allows it to be fitted in many redundant systems, as it boasts a high-level of correctness with low power consumption.

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