MAX5431AEUB

Overview

The MAX5431AEUB+T is a digitally programmable precision voltage divider manufactured by Analog Devices (Maxim Integrated). It operates within a supply voltage range of 2.7V to 15V and features a tolerance of 0.025% with a temperature coefficient of 0.025 ppm/°C. The device utilizes an SMD/SMT package, specifically the UMAX-8 form factor, and supports serial interfaces for configuration. Designed for high-precision applications, it offers stable performance across industrial temperature ranges.

Feature Summary

• High precision with 0.025% tolerance and 0.025 ppm/°C temperature coefficient
• Wide operating supply voltage range from 2.7V to 15V
• Compact UMAX-8 surface-mount package suitable for space-constrained designs
• Digitally programmable architecture for precise voltage division control

Applications

• Precision voltage reference scaling in data acquisition systems
• Programmable gain amplifier input conditioning
• Sensor signal conditioning requiring stable attenuation
• Calibration circuits in test and measurement equipment

Procurement Notes

Verify component authenticity through authorized distributors due to limited availability status. Confirm RoHS compliance details as specified in official documentation. Check for specific ordering suffixes that may affect packaging or tape-and-reel specifications. Ensure compatibility with existing PCB footprints for the UMAX-8 package before procurement.

Selection Notes

Select this component when high accuracy and low drift are critical requirements. Compare against other MAX543x series variants based on required voltage range and interface compatibility. Consider thermal management needs given the small package size. Verify that the digital interface matches the system controller capabilities.

Part Context

Part of the MAX543x family of digitally programmable voltage dividers. Shares architectural similarities with MAX5430 and MAX5431 variants but differs in package type and specific electrical characteristics. Designed to replace traditional resistor networks in precision analog signal paths.

Replacement Considerations

Direct substitutes include other MAX5431 variants with different packages such as MAX5431AEUA+. Cross-reference pinouts and electrical specifications carefully when considering alternative manufacturers' components.