ADUM140D0BRZ

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Digital Isolators offer an essential solution to many of today’s ever-growing application requirements. By isolating data and/or signals, these devices allow communication between networks, systems, and components of different voltages without compromising electrical safety. The ADUM140D0BRZ is a highly integrated digital isolator that provides galvanic isolation of up to 250 VRMS for industrial, energy, and medical applications.

The ADUM140D0BRZ contains two isolated DC-DC power supplies, one for the logic side and one for the isolation side. The logic side is powered by a 3.3 V logic supply, while the isolation side is powered by a +15 V to -5 V dual supply. DC isolation between the logic side and the isolation side is provided through the use of an integrated DC-DC converter.

Typical applications of the ADUM140D0BRZ include protecting computer loads from ESD (electrostatic discharge) events, isolating Ethernet, CAN, and other data transmitted via digital interface devices, and providing galvanic isolation for industrial data communications. Additionally, the ADUM140D0BRZ is an ideal solution for providing transient protection for PLCs, I/O modules, and other industrial controllers in harsh environments.

The ADUM140D0BRZ features an integrated driver and receiver pair, with the receiver being used for data signal conditioning. This isolator includes a on-board comparator and is able to detect signal transitions of up to 40 MHz, allowing for reliable, high speed communication between isolated circuits. The unit offers a data rate (Baud rate) of up to 6 Mb/s and provides an output signal compatible with CMOS, TTL or similarly compatible logic levels.

This digital isolator package comes in a compactly sized 10-pin SO-14 package, allowing for use in various applications. The device is capable of operating in temperatures ranging from -40 °C to +85 °C, making it suitable for a wide range of temperature environments. The ADUM140D0BRZ is also capable of providing 2 kV isolation between high voltage levels, making it ideal for applications requiring safety isolation.

The ADUM140D0BRZ is a highly integrated, compact, and reliable digital isolator that meets the needs of many industrial, energy, and medical applications. It combines the advantages of a DC-DC converter and a comparator with a package that is designed to make the most of the available board space. This digital isolator provides high speed data communication, reliable signal conditioning, and high voltage protection while being cost effective.

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