LM4040CIX3-2.5-T

Overview

The LM4040CIX3-2.5-T is a micropower shunt voltage reference manufactured by Analog Devices Inc. under the Maxim Integrated brand. It provides a fixed output voltage of 2.5 V with an initial accuracy of ±0.5%. The device operates within a temperature range of -40°C to +85°C and features a maximum temperature coefficient of 100 ppm/°C. It supports a maximum shunt current of 15 mA and requires a minimum operating current of 60 µA. The component is housed in a compact SOT-23-3 surface-mount package, designed for space-constrained applications requiring stable precision references.

Feature Summary

• Provides a stable 2.5 V reference voltage with high precision suitable for sensitive analog circuits
• Operates with ultra-low power consumption, minimizing energy usage in battery-powered designs
• Maintains performance stability across industrial temperature ranges without significant drift

Applications

• Portable instrumentation requiring low power consumption
• Battery-operated measurement devices
• Data acquisition systems needing precise voltage references

Procurement Notes

Verify the manufacturer designation as Analog Devices Inc./Maxim Integrated when sourcing this component. Confirm the specific suffix indicates the reel packaging format. Ensure compatibility with standard SOT-23-3 footprints during procurement planning. Cross-reference datasheets for any updates regarding lead-free compliance or RoHS status before finalizing orders.

Selection Notes

Select this part when a 2.5 V output is required with ±0.5% initial accuracy. It is appropriate for designs where power efficiency is critical due to its micropower characteristics. Consider the SOT-23-3 package size for board space limitations. Verify that the 100 ppm/°C temperature coefficient meets the system's thermal stability requirements.

Part Context

This component belongs to the LM4040 series of precision micropower shunt voltage references. The series offers various accuracy grades and output voltages. The 'C' suffix denotes the ±0.5% accuracy grade, while 'IX3' typically indicates the SC-70/SOT-23-3 package variant. This family is widely used in general-purpose analog applications requiring reliable voltage regulation.

Replacement Considerations

LM4040CIM3-2.5/NOPB: Texas Instruments equivalent in SOT-23-3 package.