HCPL-0738-00GE

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Optoisolators are an important tool in any electrical engineer\'s toolbox. They provide a way to isolate one circuit from another and protect the system from harmful electrical potentials. In this article we will discuss the HCPL-0738-00GE optoisolator and its application field and working principle.

HCPL-0738-00GE is an optoisolator with a logic output, and is suitable for applications such as sensitive circuits, power supplies, and interface circuit protection. Its input is an infrared light-emitting diode (IR LED) which is monitored by a phototransistor, the detector. It has a high-pot isolation between input and output side of 4850Vrms/10Gigaohm and a CTR > 1000% at 10mA, 0.5Vf. This optoisolator provides fast and precise switch point control, and minimal mains-induced noise.

The HCPL-0738-00GE is specifically designed for use with LVDS (Low Voltage Differential Signaling) circuits. LVDS is a standard for sending serial streams of data over long distances with high speed and low power. The HCPL-0738-00GE provides added noise isolation, as well as a low power consumption and a fast propagation delay.

The working principle of the HCPL-0738-00GE is fairly simple. The input side of the optoisolator contains an IR LED, which emits light when a logic signal is applied. This light is then detected by the phototransistor on the output side of the optoisolator, and triggers the output transistor accordingly. This allows for isolation of the input signal from the output circuit, as well as providing a low-voltage logic-level signal to the output circuit.

In addition to providing electrical isolation, the HCPL-0738-00GE also has the advantage of being compact and reliable, as well as being able to operate in a wide temperature range (from -40°C to +85°C). It is also available in various packaging types, which makes it suitable for a wide range of applications.

In summary, the HCPL-0738-00GE is a high-performance optoisolator with a logic output, making it suitable for a variety of application fields. It is widely used as an interface between LVDS circuits, as it provides additional noise isolation, low power consumption, and a fast propagation delay. Additionally, it is protected against high-voltage isolation, ensuring maximum system and circuit reliability. As such, the HCPL-0738-00GE is an invaluable tool for any electronics engineer looking for reliable and effective optoisolator protection.

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