ADUM161N0BRZ-RL7

Digital Isolators Overview

The ADUM161N0BRZ-RL7 is a six-channel digital isolator from Analog Devices, utilizing iCoupler magnetic coupling technology. It features a 5/1 channel configuration with unidirectional signal paths in a 16-SOIC package. Key electrical parameters include a data rate of 150 Mb/s, isolation voltage of 3000 Vrms, and propagation delay of 7.2 ns. The device operates on supply voltages from 1.7 V to 5.5 V, drawing 17.3 mA. It supports an operating temperature range of -40°C to +125°C and offers high common-mode transient immunity.

Digital Isolators Feature Summary

• Integrates CMOS logic with monolithic air-core transformer technology for robust magnetic coupling.
• Provides independent data channels capable of voltage translation across the isolation barrier.
• Ensures DC correctness without input logic conversion requirements typical of optical couplers.
• Delivers tight channel-to-channel propagation delay matching for precise timing applications.

Digital Isolators Applications

• Industrial process control systems requiring galvanic isolation
• Medical equipment signal interface circuits
• Isolated SPI communication bus architectures
• Power electronics gate drive feedback loops

Digital Isolators Procurement Notes

Verify the specific suffix RL7 indicates reel packaging when sourcing. Confirm the 5/1 channel configuration matches system requirements against other variants like ADUM162 or ADUM163. Check RoHS compliance status and moisture sensitivity level (MSL) ratings prior to assembly planning. Ensure the SOIC-16 footprint aligns with existing PCB layouts.

Digital Isolators Selection Notes

Select this component for applications demanding high-speed data transmission with strict channel matching. Compare against optocouplers for superior performance regarding pulse width distortion and bandwidth. Consider the 1.7 V to 5.5 V supply range for compatibility with low-voltage logic interfaces. Evaluate thermal dissipation capabilities within the specified -40°C to +125°C operational envelope.

Digital Isolators Part Context

This part belongs to the ADuM16xN family of six-channel digital isolators designed specifically for SPI applications. The series integrates analog devices' proprietary iCoupler technology, offering advantages over traditional photonic isolation methods. The ADUM161 variant specifically addresses asymmetric signal routing needs through its distinct channel configuration.

Digital Isolators Replacement Considerations

ADUM162N0BRZ-RL7: Offers a 4/2 channel configuration instead of 5/1. ADUM163N1BRZ: Provides a symmetric 3/3 channel layout. Verify channel count and directionality requirements before substituting these family members.