LTV-852S-TA

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Optoisolators provide isolation between two circuits while passing electrical signals from one circuit to another. This is achieved with the use of an optoelectronic device, such as an LED or laser, to transmit a signal between the two circuits. The LTV-852S-TA is an optoisolator consisting of a GaAs infrared LED emitter, a photovoltaic detector and a Darlington output transistor.

The LTV-852S-TA is usually used for interfacing AC circuits with microprocessors, TTL control systems, and other logic circuits. It is also used in switching and snubber circuits, solid state relays, current control loops, telecom and instrumentation applications, level sensing, AC lamp dimming, medical equipment, and more. It has a continuous reverse voltage of 40V, a operating current of 50 mA, a turn-on time of 2 µs, an off-state leakage current of 0.1 mA, and an isolation voltage of 3750Vrms for one minute.

The working principle of an optoisolator is based on using an optical component to transfer signals from one circuit to another. In the case of the LTV-852S-TA, an LED emitter is used to transmit a light signal. The light is detected by a photovoltaic detector, which generates an output voltage. This output voltage is then amplified by a Darlington output transistor. The amplified signal can then be used to drive a load or provide a feedback signal.

The LTV-852S-TA optoisolator is a reliable and robust device which can be used in a variety of applications. With its wide operating temperature range, fast response time, and high isolation voltage, it is perfect for isolating two circuits while still providing excellent signal transfer.

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