ADUM1280CRZ-RL7

Overview

The ADUM1280CRZ-RL7 is a dual-channel digital isolator from Analog Devices, housed in an 8-SOIC package. It provides 3000 Vrms isolation via magnetic coupling technology. The device supports data rates up to 100 Mb/s with typical propagation delays of 23 ns and rise/fall times of 3 ns. It operates on supply voltages between 3.135 V and 5.5 V, consuming 9.5 mA per channel. The component functions within a temperature range of -40°C to +125°C and features unidirectional signal transmission.

Feature Summary

• Dual-channel architecture for independent signal isolation
• High-speed data transmission capability up to 100 Mb/s
• Robust 3000 Vrms insulation barrier using magnetic coupling
• Wide operating temperature range suitable for industrial environments

Applications

• Motor control systems requiring galvanic isolation
• Power measurement circuits for energy monitoring
• Industrial process control instrumentation
• Inverter gate drive interfaces

Procurement Notes

Verify the specific suffix 'RL7' corresponds to the required reel packaging configuration during procurement. Confirm that the SOIC-8 package dimensions align with the target PCB footprint. Ensure the voltage ratings meet system requirements before integration. Cross-reference the manufacturer part number with official Analog Devices documentation to validate authenticity and revision status.

Selection Notes

Select this component when high-speed bidirectional isolation is not required, as it supports only unidirectional channels. Consider the 100 Mb/s data rate limit against system clock speeds. Evaluate the 8-SOIC package size constraints relative to available board space. Verify that the 3000 Vrms isolation rating satisfies the safety standards applicable to the specific application environment.

Part Context

This part belongs to the ADUM1280 series of digital isolators. It utilizes Analog Devices' iCoupler technology for signal transmission. The device serves as a replacement for traditional optocouplers in applications demanding higher reliability and lower power consumption. It integrates both input and output buffers within a single compact package.

Replacement Considerations

Consult the Analog Devices product selector guide for compatible alternatives within the ADUM128x family. Verify pinout compatibility if substituting with other dual-channel isolators. Check datasheet specifications for equivalent isolation voltage and data rate performance.