ADUM3402WARWZ

Overview

The ADUM3402WARWZ is a quad-channel digital isolator from Analog Devices, utilizing iCoupler magnetic coupling technology. It operates on a single supply voltage ranging from 2.7 V to 5.5 V DC. The device provides four independent channels with a 2/2 input/output configuration and supports bidirectional data transmission at a maximum data rate of 1 Mb/s. Key electrical specifications include an isolation voltage of 2500 Vrms, a typical propagation delay of 65 ns, and a low operating power consumption of 2 mA. It is housed in a 16-lead SOIC package and is qualified under the AEC-Q100 standard for automotive applications.

Feature Summary

• Employs iCoupler magnetic coupling technology for galvanic isolation without external transformers.
• Provides four independent bidirectional communication channels within a compact surface-mount package.
• Features high common-mode transient immunity to ensure reliable signal integrity in noisy environments.
• Includes integrated logic and thermal design to maintain signal polarity and minimize pulse width distortion.

Applications

• Automotive electronic control units requiring isolated CAN or LIN bus interfaces.
• Industrial automation systems utilizing isolated RS-485 or Modbus communication protocols.
• Medical equipment needing reinforced isolation for patient-connected signal lines.
• Power conversion circuits requiring isolated gate drive feedback signals.

Procurement Notes

Verify the specific suffix WARWZ to confirm the reel packaging format and tape width. Confirm AEC-Q100 qualification status if the application mandates automotive-grade reliability standards. Check current availability as distribution may be limited. Ensure the selected variant matches the required data rate and channel configuration for the target system design.

Selection Notes

Select this component when a quad-channel isolator with moderate speed (1 Mb/s) and low power consumption is required. Compare against the ADUM3401 series if higher data rates up to 10 Mb/s are necessary. Consider the ADUM3400 series if unidirectional channels are sufficient for the application. Verify that the 2500 Vrms isolation rating meets the safety requirements of the circuit being isolated.

Part Context

This part belongs to the ADUM3400/3401/3402 family of iCoupler digital isolators. These devices integrate analog and digital functions on a monolithic CMOS substrate to provide robust isolation. The family offers various configurations including dual, quad, and mixed channel counts with differing data rates and power profiles.

FAQ

What is the maximum data rate supported by the ADUM3402WARWZ?

The ADUM3402WARWZ supports a maximum data rate of 1 Mb/s across all four channels.

Does the ADUM3402WARWZ support bidirectional communication?

Yes, the device features a 2/2 channel configuration that supports bidirectional data transmission.

Is the ADUM3402WARWZ qualified for automotive applications?

Yes, the ADUM3402WARWZ is qualified according to the AEC-Q100 standard.