ADUM260N0BRIZ

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Digital Isolators are special integrated circuits that are used for electrical isolation purposes. The ADUM260N0BRIZ is one such device, designed to provide isolation between two differential lines such as those from the output of a data transceiver and the inputs of ICs or other components. The ability of digital isolators to break ground loops and combine the electrical hardware and electrical isolation of digital components and analog/microelectrical elements makes them highly beneficial for applications in high-speed control systems.

Applications

The ADUM260N0BRIZ is suitable for use in a wide range of applications that require reliable electrical isolation. These include medical, industrial automation, automotive, instrumentation systems, motor control, portable measurement devices, embedded computers, and safety-critical systems. The device is also highly sought after for its ability to provide power supply voltage isolation while maintaining signal integrity.

The robust galvanic isolation of the ADUM260N0BRIZ is capable of handling up to 25,000 Vrms, making it suitable for use in high-voltage applications where the electrical isolation of components is essential. Moreover, the low propagation delay of the device is advantageous for high-speed control applications. Furthermore, its non-volatile EEPROM memory enables data retention and system configuration flexibility.

Working Principle

The ADUM260N0BRIZ consists of two isolated blocks with one operating at the side of the other. The chip employs transformer-coupled signals to provide reliable electrical isolation, using an output sender and two receiver blocks in the side that is physically separated from the other side.When the transmitter is powered up, it drives a special flux-coupled transformer, which in turn produces a secondary voltage signal on the two receiver lines. The signal is then detected by two receivers within the receiving side of the device. The result is an isolated logic signal at the output of the receiver.The microcontroller on the transmitting side is programmed to send out a specific signal that will be detected and converted to a logic level voltage waveform on the receiver side. Such a signal is then processed by the microcontroller on the receiving side as a digital input.

Conclusion

The ADUM260N0BRIZ digital isolator is a reliable solution for applications that require high-voltage insulation and high-speed signal propagation. Its transformer-coupled signal transmission ensures reliable transmission of logic signals to a receiving side which further processes them as digital inputs. Moreover, the non-volatile EEPROM memory provides data retention and system configuration flexibility. The application of the ADUM260N0BRIZ is wide-reaching, and it is highly beneficial for high-speed control systems, embedded systems, motor control, and more.

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