ADUM1402WTRWZ53

Overview

The ADUM1402WTRWZ53 is a quad-channel digital isolator utilizing iCoupler technology, housed in a 16-SOIC package. It provides bidirectional signal isolation with a rated insulation voltage of 2500 Vrms and a common-mode transient immunity of 25 kV/µs. The device operates on a supply voltage range of 2.7 V to 5.5 V, drawing a typical quiescent current of 44 mA. It supports data rates up to 90 Mb/s with a propagation delay of 34 ns. Certified under AEC-Q100 for automotive applications, it functions reliably across an operating temperature range of -40°C to +125°C.

Feature Summary

• Integrates four independent isolation channels within a single compact surface-mount package.
• Employs magnetic coupling technology to provide galvanic isolation without optical components.
• Features high common-mode transient immunity to maintain signal integrity in noisy environments.
• Includes internal logic to ensure safe output states during power-up or power-down sequences.

Applications

• Automotive electronic control units requiring robust signal isolation
• Industrial communication interfaces such as RS-485 and CAN bus systems
• Medical equipment needing reinforced electrical isolation for safety compliance

Procurement Notes

Verify the specific suffix '53' against the manufacturer's official documentation to confirm pinout and functional equivalence. Ensure the component meets AEC-Q100 qualification requirements if intended for automotive use. Confirm that the 16-SOIC package dimensions align with your PCB footprint specifications before finalizing procurement.

Selection Notes

Select this component when four isolated channels are required for bidirectional data transmission. It is suitable for designs needing high-speed performance up to 90 Mb/s with low power consumption. Consider its AEC-Q100 certification for automotive reliability and its wide operating temperature range for harsh industrial environments.

Part Context

This part belongs to the ADuM140x family of quad-channel digital isolators from Analog Devices. These devices replace traditional optocouplers by offering superior performance in speed, power efficiency, and size. The family utilizes proprietary iCoupler technology to integrate isolation barriers directly onto the silicon die.

Replacement Considerations

The ADUM1402WTRWZ is a direct functional equivalent within the same series. Verify that any substitute maintains the 2500 Vrms isolation rating and 90 Mb/s data rate. Ensure the replacement package matches the 16-SOIC form factor for board compatibility.