ADUM1285BRZ

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Digital Isolators have been used since the early 19th century and have evolved significantly over time to become more reliable and efficient. The ADUM1285BRZ Digital Isolator is a very popular device that is widely used in a variety of applications. This article will discuss the application field and working principle of the ADUM1285BRZ.

Application Field

The ADUM1285BRZ is primarily used in the medical, automotive, industrial, and security industries as a voltage-level translator. It has a wide range of applications, from low-level noise to high-density signals. The device is specially designed for applications requiring galvanic isolation, such as isolating logic signals from other signals, or inputs to systems from external sources. The ADUM1285BRZ can also be used to protect systems from transients and electrical noise generated from other equipment or circuits. In addition, the device enables wireless communication through a galvanically isolated transformer.

Working Principle

The ADUM1285BRZ is a bi-directional isolator that works by isolating the input signal from the output signal. The device utilizes an optically isolated, floating input/output connection, which serves to transfer the signal across a galvanic isolation barrier. The circuit consists of four main components: an optical-coupler, an input/output coupling capacitor, a voltage reference, and a power supply. The optical-coupler serves to prevent any leakage or interference between the input and output signals. The input/output coupling capacitor is responsible for blocking any direct current from travelling between the input and output, while allowing the passage of AC signals. The voltage reference in the circuit ensures the conversion between the two signals that pass through the isolator remains consistent and reliable. Finally, the power supply is what supplies the necessary voltage to power the circuit.

The ADUM1285BRZ is an incredibly reliable device and has been used in many applications that require high voltage levels and reliable isolation. It is incredibly easy to use and set up, making it a great choice for many applications. In addition, since the device can handle a wide range of voltage levels, it is a versatile and highly reliable isolator.

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