ADUM6401CRWZ

Overview

The ADUM6401CRWZ is a quad-channel digital isolator from Analog Devices, featuring integrated isoPower technology for isolated DC-to-DC conversion. It provides 5000 Vrms isolation voltage with magnetic coupling technology. The device supports data rates up to 25 Mbps and operates on a supply voltage range of 3 V to 5.5 V. Key electrical parameters include a maximum propagation delay of 60 ns, typical rise and fall times of 2.5 ns, and a common mode transient immunity (CMTI) of 25 kV/µs. It functions within an operating temperature range of -40°C to +105°C and is housed in a 16-SOIC package.

Feature Summary

• Integrates an isolated DC-to-DC converter to eliminate the need for external isolated power supplies.
• Utilizes iCoupler magnetic coupling technology for high electromagnetic interference immunity and low radiation.
• Features Schmitt trigger inputs to ensure robust noise rejection and signal integrity.
• Provides bidirectional logic communication with unidirectional channel configuration options.

Applications

• Industrial automation systems requiring galvanic isolation between control and sensor circuits.
• Medical equipment needing high-voltage isolation for patient safety and signal accuracy.
• Power electronics interfaces for monitoring and controlling inverters or motor drives.
• Data acquisition systems isolating microcontrollers from high-noise analog front ends.

Procurement Notes

Verify the specific suffix 'CRWZ' to confirm the commercial temperature grade (-40°C to +105°C) and tube packaging format. Ensure compatibility with the required isolation voltage ratings for your application safety standards. Cross-reference the manufacturer's latest datasheet for any recent material or pinout changes. Confirm that the integrated DC-DC converter meets the power requirements of the receiving side circuitry without exceeding thermal limits.

Selection Notes

Select this component when a single-chip solution for both signal isolation and isolated power generation is required. It is suitable for applications demanding high CMTI to prevent false triggering in noisy environments. Compare against non-isolated power variants if external isolated supplies are already available in the system design. Consider the 16-SOIC footprint constraints during PCB layout planning to ensure adequate creepage and clearance distances.

Part Context

This part belongs to the ADuM640x series of quad-channel digital isolators. It shares the same core iCoupler architecture as other models in the family but distinguishes itself through the inclusion of the integrated isoPower converter. This integration simplifies board design by reducing component count compared to solutions using separate isolators and isolated DC-DC converters.

Replacement Considerations

The ADUM6401ARWZ is a verified alternative offering the same functional specifications with an extended industrial temperature range. Verify that the replacement matches the exact package dimensions and pinout to ensure direct compatibility in existing designs.