ADUM1286ARZ

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Digital Isolators are a family of semiconductor-based products, designed to provide electrical insulation between components to reduce interference between them, thereby improving signal integrity and reducing unwanted noise in electrical circuits and systems. The ADUM1286ARZ is a digital isolator that has been specifically designed to provide unusual flexibility and performance for customers conscious of their need for protection from the environment.

The ADUM1286ARZ is a low-cost, galvanically isolated, digital isolator that offers NPN drive capability using an advanced CMOS process. It features a single-channel isolator with a maximum isolation voltage of 3000 Vrms. The device is capable of operating at temperatures as low as −40°C and up to 85°C. It is available in a wide variety of package types such as UL-recognized non-hermetic surface mount, hermetic ceramic, and hermetic plastic packages.

The ADUM1286ARZ is designed to provide precise signal isolation between two connected elements. It can be used in a variety of applications such as voltage isolation, current sensing, protection against overvoltage, and galvanic isolation between digital and analog signals. Typical applications of the device include power supply isolation, galvanic isolation of AC lines, data-line isolation, and isolation of motor speed control and communication links.

The working principle behind the ADUM1286ARZ is based on an optically coupled electrical isolation approach. It works by converting an electrical signal into a light signal, which is then transmitted through fiber-optic cables, creating an electric signal on the other side. This optically isolated signal is then applied to the receiver side of the device, which converts the signal back into an electrical current for further processing and control.

The ADUM1286ARZ uses a double-shielded isolation structure to reduce the possibility of crosstalk or noise interference. It also includes a latch-up free functionality which ensures that no unwanted signals or disruptive signals can enter the circuit when it is being switched off or reset. It has a wide operating temperature range, which makes it suitable for use in a wide array of applications. Additionally, it offers high common-mode transient immunity, which makes it ideal for environments with high levels of electrostatic discharge.

In conclusion, the ADUM1286ARZ is an ideal solution for customers who need reliable and stable performance for their digital isolator applications. It has a wide variety of features that make it suitable for a wide variety of applications, including voltage isolation, current sensing, protection against overvoltage, and galvanic isolation between digital and analog signals. Its optically-based operating principle ensures that it is able to provide excellent performance and signal integrity without interference from any external sources.

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