4DIR1421HXUMA1

Overview

The Infineon Technologies 4DIR1421HXUMA1 is a digital isolator utilizing magnetic coupling technology. It features four channels with SPI interface compatibility and supports bidirectional data transmission. The device provides an isolation voltage of 5700Vrms and operates within a supply voltage range of 2.7V to 6.5V. Key electrical specifications include a data rate of 40Mbps, a common-mode transient immunity of 100kV/µs, and propagation delays of 26ns maximum. It functions reliably across temperatures from -40°C to 125°C.

Feature Summary

• Utilizes magnetic coupling technology for signal isolation
• Supports bidirectional data transmission across four channels
• Provides high common-mode transient immunity

Applications

• Industrial automation systems requiring galvanic isolation
• Power electronics control circuits
• Medical equipment with safety isolation requirements

Procurement Notes

Verify component authenticity through authorized distributors. Confirm package integrity upon receipt as the device is moisture sensitive. Check for obsolescence status before finalizing design integration. Ensure ESD protection measures are in place during handling. Validate datasheet revisions against current manufacturing standards.

Selection Notes

Select this component when high-speed digital isolation is required in compact designs. Consider the 16-SOIC package constraints for PCB layout. Evaluate thermal management needs given the operating temperature range. Compare performance metrics against alternative magnetic or capacitive isolators. Verify voltage levels match system logic requirements.

Part Context

This part belongs to the ISOFACE family of digital isolators from Infineon Technologies. It represents a solution for applications demanding robust isolation with high data rates. The magnetic coupling approach offers distinct advantages over traditional technologies. It is designed for reliability in harsh industrial environments.

Replacement Considerations

The 4DIR1400HXUMA1 is listed as a parameter equivalent substitute by distributors.