ADUM1281CRZ

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Digital isolators use communication techniques to transfer digital information between circuits in electrical systems while providing galvanic isolation between the two circuits. The ADUM1281CRZ is an isolation amplifier used to link two isolated circuits. It is a 4-channel logic isolator, and can provide 8-bit resolution per channel. Its input is various digital signals and its output is converted to optical signals before being output to the receiving end.

Application of ADUM1281CRZ

The ADUM1281CRZ can be used to isolate two systems operating at different referencing voltages, or one system that operates on multiple voltages. This logic isolator can be used in industrial controllers, motor controller, automation equipment, automotive battery management systems, medical equipments, telecommunications equipments and many other related applications. It can also be used to monitor the logic signal levels between two isolated system and thus protect communication systems from the interference of external sources.

Working Principle of ADUM1281CRZ

The ADUM1281CRZ contains highly reliable Isolation Amplifier circuitry and four input and output transistors. It uses a pair of integrated circuits (ICs), one for the input side and the other for the output side, with an isolation barrier between the two. Input signals from the digital-voltage source are received by the IC on the input side and amplified. The amplified signals are then sent to the IC on the output side. At the output side, the amplified signal is then transmitted across the isolation barrier via optical communication techniques.

Once the signal has reached the output IC, it is converted to a compatible logic level and passed to the load device. The ADUM1281CRZ connection is designed to provide a maximum possible isolation and ensure the highest safety and performance. The device also includes overvoltage protection and EMI filters, providing a robust connection.

Conclusion

The ADUM1281CRZ digital isolator is an ideal choice for creating a reliable two-way link between two isolated systems. It is designed with highly reliable isolation circuitry and various other features such as overvoltage protection and EMI filters to provide robust communication. With its high level of isolation and wide array of applications, the ADUM1281CRZ is an ideal choice for providing reliable data transfer between two isolated systems.

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