MAX14931DASE+T

Digital Isolators Overview

The MAX14931DASE+T is a general-purpose digital isolator featuring four channels in a 3/1 configuration. It utilizes capacitive coupling technology to provide an isolation voltage of 2750Vrms. The device supports data rates up to 1Mbps with a typical common-mode transient immunity (CMTI) of 25kV/µs. Operating on a supply voltage range of 1.71V to 5.5V, it ensures signal integrity across isolated boundaries. Key timing parameters include a maximum propagation delay of 7.5ns and a pulse width distortion of 1ns. It operates within a temperature range of -40°C to +125°C and is housed in a 16-SOIC package.

Digital Isolators Feature Summary

• Provides robust galvanic isolation via high-reliability capacitive coupling technology
• Ensures signal integrity through high common-mode transient immunity performance
• Supports flexible logic interface configurations with unidirectional channel options
• Operates reliably across extended industrial temperature ranges

Digital Isolators Applications

• Industrial process control systems requiring reliable signal isolation
• Medical equipment needing certified safety isolation barriers
• Isolated communication interfaces such as RS-485 and CAN bus networks
• Power management circuits for monitoring and control applications

Digital Isolators Procurement Notes

Verify the specific suffix 'DASE' against official Analog Devices documentation to confirm pinout and electrical characteristics match your design requirements. Ensure that the selected variant aligns with your system's isolation voltage standards and thermal management needs. Cross-reference the manufacturer part number with authorized distributors to guarantee authenticity and traceability. Confirm RoHS compliance status if required by your manufacturing regulations.

Digital Isolators Selection Notes

Select this component when a 3/1 channel configuration is required for asymmetric signal routing. Consider the 1Mbps data rate capability relative to your system's bandwidth requirements. Evaluate the 2750Vrms isolation rating against your application's safety certification needs. Compare the SOIC package dimensions with your PCB layout constraints to ensure proper footprint compatibility during the design phase.

Digital Isolators Part Context

This device belongs to the MAX1493x family of digital isolators from Analog Devices / Maxim Integrated. The family offers various channel configurations and speed grades tailored for different isolation applications. The MAX14931 specifically targets general-purpose isolation needs with balanced performance metrics. It complements other interface ICs in the portfolio designed for harsh environments.

Digital Isolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.