ADUM120N1WBRZ-RL7

Overview

The ADUM120N1WBRZ-RL7 is a dual-channel digital isolator from Analog Devices, utilizing magnetic coupling technology for signal transmission. It features a unidirectional channel configuration with two input channels and zero output channels on the secondary side. The device supports data rates up to 150 Mb/s and provides an insulation voltage of 3000 Vrms. Operating within a supply voltage range of 1.8 V to 5.5 V, it draws a typical operating current of 6.2 mA. The component exhibits a propagation delay of 13 ns and functions reliably across an extended temperature range from -40°C to +125°C.

Feature Summary

• Employs iCoupler magnetic coupling technology to provide galvanic isolation without transformers or optocouplers.
• Offers high common-mode transient immunity of 100 kV/µs for robust performance in noisy environments.
• Integrates dual unidirectional channels within a compact SOIC-8 surface-mount package.

Applications

• Industrial process control systems requiring isolated communication interfaces
• Medical equipment needing patient isolation and safety compliance
• Power metering applications involving high-voltage sensing

Procurement Notes

Verify the specific suffix WBRZ against official Analog Devices documentation to confirm tape-and-reel packaging and lead-free status. Ensure the ordering part number matches the required temperature grade and channel configuration. Cross-reference the manufacturer datasheet for any recent product change notifications that may affect specifications or availability.

Selection Notes

Select this component when high-speed data transfer at 150 Mb/s is required alongside strong isolation capabilities. The wide operating temperature range suits harsh industrial conditions. Consider the unidirectional nature of the channels for specific signal flow requirements. Compare power consumption and package size against alternative isolators if space constraints are critical.

Part Context

This part belongs to the ADUM120N series of digital isolators designed for general-purpose applications. It represents a modern solution replacing traditional optocouplers by offering smaller size, lower power consumption, and better reliability. The series is widely used in interface circuits where electrical isolation between different ground domains is necessary.

FAQ

What is the maximum common-mode transient immunity specified for this device?

The ADUM120N1WBRZ-RL7 specifies a minimum common-mode transient immunity of 100 kV/µs.

Does this isolator support bidirectional signal transmission?

No, the ADUM120N1WBRZ-RL7 features unidirectional channels only.