TLP2391(TPL,E

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Optoisolator technology has been around for many years and is commonly used in a variety of applications ranging from power management systems to medical instrumentation. The TLP2391 optically isolated controller is a high-density device designed for use in highly sensitive, low-power logic output applications. It has the ability to detect and control changes in digital logic signals at an extremely low input voltage level without any circuit modification.

The TLP2391 provides an optically isolated interface between logic inputs and outputs. It prevents signals from interfering with each other, thus allowing equipment to operate without suffering from noise and ground potential problems. The TLP2391 uses a optically isolated phototransistor to detect and control logic signals from a logic input channel (channel B). It can detect and control voltage levels as low as 0.035V, making it ideal for low-voltage logic applications.

The TLP2391 has two outputs: an output buffer (channel A) that directly controls logic outputs up to 12V, and an isolated logic output (channel B) that can be used to transfer digital logic signals. The device also features an input buffer which monitors logic levels on the logic input channel (channel A). The output buffer is optically isolated from the input buffer which helps ensure reliable operation and immunity to noise and ground potential problems.

The TLP2391 is designed for applications where a high-speed, low power logic output is needed. It can be used in a variety of signal transfer and control applications, including those in electronic control systems and digital signal processing equipment. It is well-suited for logic inputs up to 50 MHz and can provide logic output up to 85 MHz. The isolation voltage between the logic output and the input buffer can be set up to 5000 Vrms. The device can also provide a galvanic isolation of up to 1.5MOhm.

The TLP2391 is designed for reliability and high-speed operation. It uses thin film resistors that are reliable and fast. Its wide operating temperature range makes it well-suited for industrial applications. The device includes protection against EMI, surge pulses, static discharge, short-circuit protection, and reverse voltage protection. It also provides a user-selectable output delay of 0.7 µs to 3.35 µs. The TLP2391 is a compact device that takes up very little board space (14-pin SOP&SIP package), making it suitable for tight spaces.

In summary, the TLP2391 is an ideal solution for low-voltage logic output applications in highly sensitive, low-power electronics. It provides an optically isolated interface between logic inputs and outputs, allowing equipment to operate without being affected by noise and ground potential problems. The device is a high-speed, low-power logic output unit that offers reliable operation, immunity to EMI and surges, and reverse voltage protection. Its wide operating temperature range and user-selectable output delay make it suitable for industrial applications. The device is a compact device with a low profile that takes up very little board space.

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