ADUM1400ARWZ-RL

Overview

The ADUM1400ARWZ-RL is a quad-channel digital isolator utilizing iCoupler technology, integrating high-speed CMOS logic with monolithic air-core transformer coupling. It provides four unidirectional signal channels within a single 16-pin SOIC package. The device supports data rates up to 1 Mbps and offers a common-mode transient immunity of 25 kV/µs. Electrical specifications include a propagation delay of 100 ns, rise/fall times of 2.5 ns, and an operating supply current of 11 mA. It operates on a supply voltage range of 2.7 V to 5.5 V and is rated for an isolation voltage of 2500 Vrms.

Feature Summary

• Integrates four unidirectional signal paths using proprietary iCoupler technology for robust galvanic isolation.
• Provides high common-mode transient immunity of 25 kV/µs to maintain signal integrity in noisy environments.
• Delivers fast switching performance with low propagation delay and minimal pulse width distortion.
• Supports flexible logic levels across the 2.7 V to 5.5 V supply range without requiring external biasing.

Applications

• Industrial automation systems requiring isolated communication interfaces
• Medical equipment needing patient isolation barriers
• Power electronics control circuits with high-voltage noise rejection
• Data acquisition systems with multi-channel isolation requirements

Procurement Notes

Verify the specific suffix 'ARWZ-RL' to confirm the reel packaging format and temperature grade. Ensure the order quantity aligns with the manufacturer's standard reel size. Cross-reference the datasheet revision date to confirm compatibility with your design constraints. Confirm RoHS compliance status if required by your regional regulations. Validate that the 16-SOIC footprint matches your PCB layout specifications before finalizing procurement.

Selection Notes

Select this component when four independent unidirectional channels are required within a compact surface-mount package. It is suitable for applications demanding high common-mode transient immunity and low power consumption. Consider this part for designs where space constraints preclude multiple discrete isolators. Evaluate the 1 Mbps data rate against your system's timing requirements. Ensure the 2500 Vrms isolation rating meets the safety standards of your target application.

Part Context

This device belongs to the ADuM1400 series of quad-channel digital isolators from Analog Devices. The series leverages iCoupler technology to replace traditional optocouplers, offering superior reliability and lower power consumption. The ADUM1400 variant specifically provides four unidirectional channels, distinguishing it from bidirectional or mixed-direction variants in the same family.

Replacement Considerations

Direct replacements may include other ADuM1400 variants with different packaging or speed grades. Verify pinout compatibility when substituting with similar quad-channel isolators from other manufacturers. Ensure the replacement maintains the required 2500 Vrms isolation rating and 25 kV/µs CMTI specification.

FAQ

What is the maximum data rate supported by the ADUM1400ARWZ-RL?

The device supports a maximum data rate of 1 Mbps per channel.

Does the ADUM1400 support bidirectional communication?

No, the ADUM1400 is designed for unidirectional signal transmission only.

What is the common-mode transient immunity (CMTI) of this isolator?

The ADUM1400 provides a typical common-mode transient immunity of 25 kV/µs.