TIL111

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Optoisolators - Transistor, Photovoltaic Output

TIL111 optoisolators are a type of optical isolation input devices used in industrial and consumer applications. They are designed to provide optically isolated analog to digital (A/D) conversion and transmit signals between two isolated circuits. The basic components of optoisolators are a LED, a light sensitive transistor, and a Schottky diode. The LED emits light which is modulated by an input signal in the form of electrical pulses. This light is captured by the light-sensing transistor which, in turn, produces an output signal that is transmitted to the receiving circuit via an output Schottky diode.

TIL111 optoisolators are widely used in industrial and consumer applications, such as motor and industrial process control, telecommunications, energy meter applications, and automatic data processing systems. In addition, the TIL111 is popularly used in robotic systems, assisting with the high-speed optical data link between a PLC (Programmable Logic Controller) and a servo motor. The TIL111 optoisolator facilitates the converting of analog input signals to digital values, allowing the robotic system to accurately respond to changes in its environment.

The working principle of the TIL111 optoisolator is similar to optocouplers. Optocouplers employ an LED as a light-emitting device to transmit information between two circuits that are electrically isolated from each other. The LED and light-sensing device, in a TIL111, convert an analog input signal to a digital output signal. The output signal can then be used to control the operation of a servo motor or other motor-operated system.

The TIL111 optoisolator has been designed with detection sensitivity that is fully compatible with all current optical integrated circuits and other digital circuitry. The system features a wide working voltage range (from 4.5V to 24V) and low power consumption, making it suitable for applications where operation with minimal power is essential. The TIL111 also provides high efficiency with low thermal resistance and optimal interface between the LED and phototransistor, ensuring reliable signal transfer.

The TIL111 optoisolator is available in a range of configurations providing several different types of outputs. These output options include digital outputs, dual output signals, and switch inputs/outputs. As a high performance device, the TIL111 optoisolator provides optimal isolation of signals for applications that demand precise signal transmission and accurate detection.

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