ADUM4400BRWZ-RL

Overview

The ADUM4400BRWZ-RL is a quad-channel digital isolator from Analog Devices, utilizing magnetic coupling technology for signal transmission. It operates within a supply voltage range of 2.7 V to 5.5 V and supports data rates up to 10 Mb/s. The device provides an insulation voltage of 5000 Vrms and features enhanced electrostatic discharge (ESD) protection. Key electrical parameters include a propagation delay of 32 ns, typical rise and fall times of 3 ns, and a power consumption of 830 uA. It functions reliably across an operating temperature range of -40°C to +105°C and is housed in a 16-pin SOIC package.

Feature Summary

• Quad-channel bidirectional or unidirectional isolation using capacitive or magnetic coupling principles
• Enhanced ESD protection capabilities for robust operation in noisy environments
• Integrated logic interface supporting standard digital signaling levels
• High common-mode transient immunity for reliable data integrity

Applications

• Industrial automation control systems requiring galvanic isolation
• Medical equipment with safety-critical isolation barriers
• Power metering and energy monitoring applications
• Inverter drives and motor control circuits

Procurement Notes

Verify the specific suffix and tape/reel configuration against the official datasheet before ordering. Confirm that the component meets all required regulatory standards for your target market. Check current availability status as distribution may vary by region. Ensure compatibility with your PCB footprint and assembly processes. Validate that the insulation ratings meet the safety requirements of your final application design.

Selection Notes

Select this component when high channel density and moderate data speeds are required. Compare performance metrics such as propagation delay and power consumption against alternative isolators. Consider the package size constraints and thermal management needs of the design. Evaluate the insulation voltage requirements relative to the system's working voltage. Assess the need for integrated DC/DC converters versus external power supplies.

Part Context

This part belongs to the ADUM4400 series of digital isolators from Analog Devices. The series is designed for general-purpose isolation applications where multiple channels are needed. It complements other parts in the portfolio offering different speed grades or integration levels. The family focuses on providing reliable isolation solutions for industrial and commercial electronics.

Replacement Considerations

Check for direct pin-to-pin replacements within the same manufacturer's lineup. Verify that any substitute matches the insulation voltage and data rate specifications. Ensure the replacement offers equivalent ESD protection and common-mode transient immunity. Confirm package dimensions and thermal characteristics are compatible with existing designs.