ADUM1400WSRWZ

Overview

The ADUM1400WSRWZ is a four-channel digital isolator utilizing iCoupler magnetic coupling technology. It operates within a supply voltage range of 2.7 V to 5.5 V and provides 2500 Vrms isolation voltage. The device supports data rates up to 1 Mbps with a maximum propagation delay of 100 ns and typical rise/fall times of 2.5 ns. It features unidirectional channels (4 Tx, 0 Rx) and maintains a minimum common-mode transient immunity of 25 kV/µs. Packaged in a 16-pin SOIC, it functions across an industrial temperature range of -40°C to +125°C.

Feature Summary

• Integrates four independent signal paths using on-chip transformer-based magnetic coupling for galvanic isolation.
• Provides high common-mode transient immunity to reject noise spikes in electrically noisy environments.
• Supports bidirectional logic signaling through unidirectional channel configuration without requiring isolated power supplies.
• Complies with automotive reliability standards for operation in demanding electronic systems.

Applications

• Isolated gate driver circuits for power electronics
• Industrial communication bus interfaces
• Medical equipment signal isolation
• Automotive sensor interface modules

Procurement Notes

Verify the specific suffix 'WSRWZ' against the manufacturer's current datasheet to confirm package dimensions and thermal characteristics. Ensure the component meets AEC-Q100 qualification requirements if deployed in automotive applications. Confirm RoHS compliance status matches project specifications before finalizing procurement orders.

Selection Notes

Select this component when four isolated digital channels are required with high-speed performance and robust noise immunity. The unidirectional architecture suits applications where signals flow strictly from source to destination. Consider the 16-pin SOIC footprint for PCB layout constraints and verify that the 1 Mbps data rate aligns with system timing requirements.

Part Context

This part belongs to the ADUM1400 series of general-purpose digital isolators. It shares the same core iCoupler technology and isolation ratings as other variants in the family but differs in channel count and directionality. The series offers alternatives for applications requiring different input/output configurations or packaging options.

Replacement Considerations

The ADUM1400WTRWZ serves as a reel-pack alternative offering identical electrical specifications and functionality. Verify pinout compatibility and thermal performance when substituting between tube and reel packaging formats.

FAQ

Does the ADUM1400WSRWZ require isolated power supplies?

No, the device does not require isolated power supplies; it operates directly from standard single-supply voltages ranging from 2.7 V to 5.5 V.

What is the maximum data rate supported by this isolator?

The component supports data rates up to 1 Mbps with guaranteed propagation delay and pulse width distortion specifications.