ADUM4400ARWZ-RL

Overview

The ADUM4400ARWZ-RL is a quad-channel digital isolator from Analog Devices, utilizing iCoupler technology for high-speed signal transmission. It features a 5000 Vrms isolation voltage and supports data rates up to 1 Mbps. The device operates within a supply voltage range of 2.7 V to 5.5 V and offers bidirectional communication with 3V to 5V level shifting capabilities. It provides enhanced system-level ESD performance compliant with IEC standards and includes an output enable function. The component is housed in a 16-pin SOIC package, suitable for surface mount applications across a temperature range of -40°C to +105°C.

Feature Summary

• Integrates four independent channels using iCoupler magnetic coupling technology for superior performance over optical couplers.
• Provides enhanced system-level electrostatic discharge protection meeting IEC 61000-4-x standards.
• Supports bidirectional communication with automatic polarity detection and 3V to 5V level translation.
• Features precise timing characteristics and high common-mode transient immunity exceeding 25 kV/μs.

Applications

• General-purpose high-voltage multi-channel isolation
• Medical equipment signal isolation
• Power supply control circuits
• Motor drive interface isolation

Procurement Notes

Verify the specific suffix 'RL' indicates reel packaging when sourcing. Confirm that the component meets RoHS compliance requirements as stated in official documentation. Ensure the supplier provides valid manufacturer traceability for the Analog Devices part number. Check for any specific handling instructions related to moisture sensitivity levels before assembly. Validate that the received units match the exact 16-pin SOIC package dimensions specified.

Selection Notes

Select this component when four isolated channels are required with 5 kVrms dielectric strength. It is suitable for designs needing high common-mode noise immunity and precise timing. Consider the 1 Mbps data rate limit for application compatibility. The integrated ESD protection reduces the need for external protective components. Evaluate power consumption against system constraints given the low operating current.

Part Context

This part belongs to the ADuM440x series of quad-channel digital isolators. It represents Analog Devices' implementation of iCoupler technology, combining CMOS and transformer fabrication on a single monolithic silicon chip. This series is designed to replace traditional optocouplers in applications requiring higher reliability and lower power consumption.

Replacement Considerations

The ADUM4400ARWZ is the tube-packaged equivalent of the ADUM4400ARWZ-RL. Both share identical electrical specifications and pinouts. Verify that the replacement matches the required packaging format for automated assembly processes.