E-L9637D013TR Integrated Circuits (ICs)

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The E-L9637D013TR is a multi-channel phototransistor optically coupled isolated interface. An ideal type for industrial and consumer applications, this device provides broad speed and voltage level compatibility by providing several opto-isolated channels. The optocoupler provides electrical isolation between the control circuit and the load and impressive signal transfer performance over a wide range of operating conditions.

Application Field

The E-L9637D013TR is an ideal choice for signal transmission and signal and noise immunity applications including industrial, automotive, telecommunications, and consumer applications. With reliable optical and electrical isolation between the control and drive circuit, this device is well suited to provide high accuracy, fast response, and maximum signal integrity. The device provides data communication, power supply, and waveform shaping capabilities, and is compatible with multiple voltage levels as well as multiple speed requirements.

Working Principle

The E-L9637D013TR is composed of a LED and a phototransistor optically coupled with a plastic half-meter-mold package. In operation, an electric current passes through the LED to produce light, which is then detected by the phototransistor. The phototransistor responds to the light by emitting current, which is then transferred to the output terminal. This isolated platform allows for a controlled electric current transmission despite disturbed and isolated power sources. This device is highly resistant to external interferences such as dust, dirt, and various chemicals.

The E-L9637D013TR provides a flow of output current proportional to the flux of light striking the phototransistor. It also offers excellent temperature stability, minimal distortion, saturated glitching, and low saturation voltage. Additionally, this device provides wide range power supply compatibility, high common-mode rejection ratio, high isolation voltage, and efficient power consumption.

The E-L9637D013TR provides multiple protections such as reverse current polarity protection, electrical insulation resistance, photovolatic protection, overcurrent protection, ground isolation, and visibility isolation. These features make the device suitable for many industrial, automotive, telecommunications, and consumer applications.

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