LM285AYM-2.5

Overview

The LM285AYM-2.5 is a fixed 2.5V micro-power voltage reference diode manufactured by National Semiconductor. It operates within a temperature range of -40°C to 85°C and features a typical tolerance of 1.5%. The device draws a typical quiescent current of 0.01 mA, ensuring low power consumption in battery-operated applications. It is housed in an SOIC-8 surface-mount package with a Moisture Sensitivity Level (MSL) rating of 1, allowing for standard reflow soldering processes at peak temperatures up to 260°C.

Feature Summary

• Provides stable fixed voltage output suitable for precision analog circuits
• Designed for low power consumption with minimal quiescent current draw
• Capable of operation across extended industrial temperature ranges

Applications

• Battery-powered instrumentation requiring precise voltage references
• Data acquisition systems needing stable reference voltages
• Portable electronic devices where power efficiency is critical

Procurement Notes

Verify the specific suffix 'YM' against the manufacturer's official datasheet to confirm pinout configuration and thermal characteristics. Ensure the component meets RoHS compliance requirements if mandated by your project specifications. Cross-reference the manufacturing date code to verify active status and availability through authorized distribution channels before finalizing procurement plans.

Selection Notes

Select this component when a fixed 2.5V reference is required with tight tolerance constraints. Consider the SOIC-8 package for automated assembly compatibility. Evaluate the operating temperature range to ensure suitability for the intended environmental conditions. Compare quiescent current specifications against other available references to optimize system power budget effectively.

Part Context

This part belongs to the LM285 series of micro-power voltage reference diodes. These components are widely used in electronic designs requiring reliable voltage regulation without significant power drain. The series offers various fixed voltage options and packaging styles to accommodate diverse circuit board layouts and performance requirements in modern electronics.

Replacement Considerations

Consult official substitution guides for compatible equivalents such as the LM385 series or generic Zener diodes with similar voltage ratings. Verify that any substitute matches the original package dimensions and electrical characteristics to maintain circuit integrity.