ADUM7643ARQZ

Overview

The ADUM7643ARQZ is a six-channel digital isolator from Analog Devices, utilizing iCoupler magnetic coupling technology. It operates within a supply voltage range of 3 V to 5.5 V and provides an isolation voltage of 1000 Vrms. The device supports a data rate of 1 Mbps with a maximum propagation delay of 75 ns and a common-mode transient immunity of 15 kV/µs. It features three channels on the input side and three on the output side, housed in a 20-SSOP package.

Feature Summary

• Six-channel bidirectional digital isolation using magnetic coupling
• High common-mode transient immunity for noisy environments
• Wide operating temperature range suitable for industrial applications

Applications

• Industrial process control systems
• Medical equipment signal isolation
• Power metering and energy monitoring

Procurement Notes

Verify the specific suffix (ARQZ) against the manufacturer's current datasheet to confirm package type and temperature grade. Ensure compatibility with system voltage levels and isolation requirements before procurement. Check for recent product change notifications regarding assembly site transfers or material updates.

Selection Notes

Select this component when high channel count and robust isolation are required. Compare performance metrics such as propagation delay and power consumption against alternative isolators. Confirm that the QSOP package fits the PCB layout constraints and thermal management strategy of the design.

Part Context

This part belongs to the ADUM764x series of digital isolators. It is designed for applications requiring multiple isolated channels in a compact form factor. The series leverages silicon dioxide insulation technology for reliable signal transmission across isolation barriers.

FAQ

What is the maximum common-mode transient immunity of the ADUM7643ARQZ?

The device offers a minimum common-mode transient immunity of 15 kV/µs.

Does the ADUM7643ARQZ support bidirectional communication?

Yes, the isolator supports bidirectional data transmission across all six channels.