LM4040DEM3-4.1-T

Overview

The LM4040DEM3-4.1-T is a micropower shunt voltage reference manufactured by Analog Devices Inc./Maxim Integrated, featuring a fixed output of 4.096 V. It provides an initial accuracy of ±1% and operates within a temperature range of -40°C to +85°C. The device utilizes a SOT-23-3 surface-mount package and supports a maximum shunt current of 15 mA.

Feature Summary

• Provides stable reference voltage with low power consumption suitable for battery-operated systems
• Maintains high precision across industrial temperature ranges
• Operates stably with capacitive loads

Applications

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

Procurement Notes

Verify the specific suffix 'DEM3' against official datasheets to confirm package type and accuracy grade. Ensure compatibility with existing PCB footprints for SOT-23-3 packages. Confirm RoHS compliance status through manufacturer documentation before integration into production lines.

Selection Notes

Select this component when a 4.096 V reference with ±1% initial accuracy is required in a compact SOT-23-3 form factor. Consider the 15 mA maximum shunt current limit for load regulation requirements. Verify that the -40°C to +85°C operating range meets the environmental conditions of the target application.

Part Context

This part belongs to the LM4040 family of micropower shunt voltage references. The series offers various accuracy grades and output voltages, including 2.048 V, 2.5 V, 3.0 V, 4.096 V, and 5.0 V. The LM4040 design emphasizes low operating current and stability under varying load conditions.