MAX14931BAWE+T

Digital Isolators Overview

The MAX14931BAWE+T is a general-purpose digital isolator manufactured by Analog Devices Inc./Maxim Integrated. It features four channels in a 3/1 configuration with unidirectional signal paths. The device utilizes capacitive coupling technology and operates on a single supply voltage ranging from 1.71V to 5.5V. It supports data rates up to 25Mbps and provides an isolation voltage of 2750Vrms. The component is housed in a 16-SOIC package and functions within a temperature range of -40°C to +125°C.

Digital Isolators Feature Summary

• Provides galvanic isolation between circuits using capacitive coupling technology for high-speed digital signal transmission.
• Features a flexible 3/1 channel configuration allowing three inputs on one side and one output on the other.
• Ensures signal integrity with high common-mode transient immunity against fast voltage changes across the isolation barrier.

Digital Isolators Applications

• Industrial automation systems requiring isolated communication interfaces
• Medical equipment needing safe patient isolation barriers
• Power electronics control circuits for gate drive isolation

Digital Isolators Procurement Notes

Verify the specific suffix 'BAWE' matches the required speed grade and package width. Confirm RoHS compliance status if restricted substances are mandated. Check datasheet revisions for any pinout or electrical characteristic updates before finalizing procurement orders.

Digital Isolators Selection Notes

Select this part when a 25Mbps data rate is sufficient and a 3/1 channel split is needed. Compare against the MAX14931CAWE+T if higher 150Mbps speeds are required. Ensure the 16-SOIC footprint fits the PCB layout constraints and that the operating voltage range aligns with the system power rails.

Digital Isolators Part Context

This component belongs to the MAX1493x family of digital isolators, which offers various speed grades and channel configurations. The MAX14931 variant specifically targets applications balancing moderate speed with robust isolation performance. It serves as a reliable alternative to traditional optocouplers in modern compact designs.

Digital Isolators Replacement Considerations

The MAX14931CAWE+T is a verified substitute offering identical pinouts but with a higher 150Mbps data rate. Designers must verify that the increased speed does not introduce noise issues in their specific application environment.

Digital Isolators FAQ

What is the typical common-mode transient immunity (CMTI) for this device?

The typical CMTI is 25kV/µs, ensuring reliable operation in noisy environments with rapid voltage transitions.

Does the MAX14931BAWE+T include an integrated isolated power supply?

No, this device is a standard digital isolator without an integrated isolated power supply; external isolated power sources are required for both sides.