ADUM140E1BRZ-RL7

Overview

The ADUM140E1BRZ-RL7 is a quad-channel digital isolator from Analog Devices Inc., designed for high-speed data transmission across isolation barriers. It utilizes iCoupler technology to provide galvanic isolation with low power consumption and high reliability. The device operates at a supply voltage of 3.3V or 5V and supports data rates up to 150 Mbps per channel. It features a wide operating temperature range and is available in an 8-lead SOIC narrow package, suitable for space-constrained applications requiring robust signal integrity.

Feature Summary

• Provides four independent digital isolation channels for bidirectional data transfer
• Utilizes iCoupler technology for compact, high-reliability galvanic isolation
• Supports operation at both 3.3V and 5V supply voltages
• Ensures high common-mode transient immunity for noise-sensitive environments

Applications

• Industrial automation systems requiring isolated communication interfaces
• Medical equipment needing safe patient isolation barriers
• Power electronics control circuits with high-voltage isolation requirements
• Automotive infotainment and sensor interface modules

Procurement Notes

Verify the exact part number suffix RL7 indicates reel packaging when ordering. Confirm that the E1 variant meets specific regulatory compliance standards required for your region. Ensure compatibility with your system's logic levels and isolation voltage ratings before procurement. Check for any recent updates to the datasheet regarding recommended operating conditions.

Selection Notes

Select this component when four isolated channels are needed within a single package to save board space. Consider its performance if your application demands high common-mode transient immunity. Evaluate its power consumption against other isolators if energy efficiency is critical. Ensure the 8-lead SOIC package fits your PCB layout constraints.

Part Context

This part belongs to the ADUM140x family of quad-channel digital isolators. It shares similar functionality with other members but may differ in package type or speed grade. The ADUM series is widely used in industrial and automotive sectors for reliable signal isolation. Compare it with older technologies like optocouplers for size and performance advantages.

Replacement Considerations

• ADUM1401BRZ-RL7
• ADUM1402BRZ-RL7
• ADUM1403BRZ-RL7

FAQ

What is the maximum data rate supported by each channel?

Each channel supports data rates up to 150 Mbps.

Does the device support bidirectional communication?

Yes, all four channels are capable of bidirectional data transfer.

What is the typical propagation delay?

The typical propagation delay is approximately 6 ns per channel.