ELD206-V

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The ELD206-V Optoisolator Transistor, Photovoltaic Output is a high-performance, cost-effective module that combines the benefits of optocoupling and transistor-transistor logic (TTL) into a single plug-and-play device. This module isolates logic circuits from one another while providing high speed operation, superior noise immunity, and easy installation. This makes the ELD206-V ideal for applications such as isolated signal communications, data transmission, and motor control.

The ELD206-V consists of a coupling isolator, a detector IC, and a drive transistor all integrated into a single package. Its output can either be a single-ended type, which is compatible with many TTL circuits, or a differential type when more output is desired. The device allows for a wide array of input voltages, from 1.65 to 5.5 VDC, and has a high-drive current capability up to 40 mA. It also provides excellent thermal stability, with an operating temperature range of -40 to 85° C.

At the core of the ELD206-V is its optocoupler, a device that transmits electrical information optically from one circuit to another. This is done by exciting a light emitting diode (LED) with a signal from one circuit and using the resulting light signal to activate a phototransistor in the other circuit. The two circuits remain electrically isolated from one another, ensuring noise immunity from external sources. This isolation also allows the ELD206-V to provide logic conversion between different voltage levels without the need for additional circuits.

The ELD206-Vlight emitting diode (LED) is powered by an input current of 1 to 8 mA. When the LED is activated, it emits light that is then detected by the phototransistor. Depending on the polarity of the signal, the transistor either blocks or conducts current through the output transistor, resulting in either a logic “high” or “low” output signal. This process also produces a feedback voltage on the input side, allowing for hysteresis and breakdown voltage adjustment as well as operational frequency control.

The ELD206-V Optoisolator Transistor, Photovoltaic Output is an ideal solution for many applications requiring isolated logic. Its wide input voltage range and high-current drive capability make it an ideal choice for those seeking an isolated and reliable logic solution with enhanced speed and noise immunity. Its ability to provide constant feedback across the isolation barrier makes the ELD206-V an ideal tool in a variety of applications.

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