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ADUM6421ABRNZ5

ADUM6421ABRNZ5 Description

The ADUM6421ABRNZ5 from Analog Devices Inc. is a high-performance, quad-channel digital isolator integrating IsoPower® and iCoupler® technologies. Designed for 5kVrms isolation, it features magnetic coupling for robust signal transmission across isolated domains. With a 1.7V to 5.5V supply range, it supports bidirectional voltage compatibility, making it versatile for mixed-voltage systems. The device delivers 100Mbps data rates with low propagation delay (17ns max) and minimal pulse width distortion (5ns max), ensuring high-speed, reliable communication in noisy environments. Its 75kV/µs common-mode transient immunity (CMTI) enhances resilience against transient interference, critical for industrial and automotive applications.

ADUM6421ABRNZ5 Features

• Quad-Channel Isolation: Four unidirectional channels (3 inputs on Side 1, 1 on Side 2) for flexible signal routing.
• Integrated Isolated Power: Eliminates the need for external DC-DC converters, reducing board space and BOM cost.
• High-Speed Performance: 100Mbps data rate with 2.5ns rise/fall times for precision timing.
• Robust Isolation: 5kVrms reinforced isolation and 75kV/µs CMTI for harsh environments.
• Wide Supply Range: Operates from 1.7V to 5.5V, compatible with low-power and legacy systems.
• Industry Compliance: ROHS3 and REACH compliant, with MSL 3 rating for moisture sensitivity.

ADUM6421ABRNZ5 Applications

• Industrial Automation: Isolated SPI, RS-485, or CAN interfaces in PLCs and motor drives.
• Medical Equipment: Patient monitoring systems requiring high-voltage isolation for safety.
• Renewable Energy: Solar inverters and battery management systems (BMS) with high-noise immunity.
• Automotive Systems: EV powertrains and charging infrastructure demanding reliable isolation.
• Telecom/Networking: Isolated power supplies and signal integrity in base stations.

Conclusion of ADUM6421ABRNZ5

The ADUM6421ABRNZ5 stands out for its integrated power isolation, high-speed performance, and robust noise immunity, making it ideal for applications demanding reliability in electrically noisy or high-voltage environments. Its compact 28-SOIC package and compliance with industry standards further enhance its suitability for modern electronics. Analog Devices' proven iCoupler® technology ensures superior isolation performance, positioning this isolator as a top choice for engineers prioritizing efficiency and safety.