LM4050AIM3-4.1

Voltage Reference Overview

The LM4050AIM3-4.1 is a micropower shunt voltage reference manufactured by Texas Instruments, designed for precision applications requiring stable output voltages. It delivers a nominal output of 4.096 V with an initial accuracy of 0.1% and a temperature coefficient of 100 ppm/°C. The device operates within a supply current range of 2 µA to 15 mA and functions reliably across an extended industrial temperature range from -40°C to +85°C. Packaged in a compact SOT-23-3 surface-mount case, it offers low power consumption suitable for battery-powered systems.

Voltage Reference Feature Summary

• Provides high-precision voltage regulation with tight initial tolerance specifications
• Operates efficiently at extremely low quiescent currents for energy conservation
• Maintains stability over wide thermal variations without external compensation

Voltage Reference Applications

• Portable instrumentation circuits requiring precise analog references
• Battery-operated measurement devices needing low power consumption
• Data acquisition systems utilizing analog-to-digital conversion

Voltage Reference Procurement Notes

Verify the specific suffix codes against official datasheets to ensure correct voltage and tolerance grades. Confirm package type and operating temperature range match design requirements. Check for RoHS compliance status and lead-free manufacturing details. Ensure ordering quantities align with distributor availability constraints.

Voltage Reference Selection Notes

Select this component when high accuracy is required alongside minimal power usage. Compare temperature coefficients against environmental conditions. Evaluate space constraints due to the small SOT-23 footprint. Consider alternative series if wider temperature ranges or different accuracies are needed.

Voltage Reference Part Context

This part belongs to the LM4050 family of micropower shunt references. It shares architectural similarities with other precision voltage standards but differs in specific electrical parameters like initial accuracy and temperature drift. The family targets cost-sensitive applications demanding reliable performance in compact form factors.