LM4120AIM5X-4.1/NOPB

Voltage Reference Overview

The LM4120AIM5X-4.1/NOPB is a precision micropower low dropout voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 4.1V with an initial accuracy of ±0.2%. The device operates within an input voltage range of 2V to 12V and draws a supply current of 275µA. It features a temperature coefficient of 50ppm/°C and supports a maximum shunt current of 5mA. The component is housed in a SOT-23-5 surface-mount package and functions reliably across an operating temperature range of -40°C to +85°C.

Voltage Reference Feature Summary

• Provides stable, precise reference voltage with low dropout capability for efficient power management
• Micropower consumption design suitable for battery-operated and space-constrained applications
• High accuracy and low temperature drift ensure consistent performance across varying thermal conditions

Voltage Reference Applications

• Portable instrumentation requiring stable voltage references
• Battery-powered measurement systems
• Data acquisition systems needing precise analog references

Voltage Reference Procurement Notes

Verify the specific suffix 'NOPB' indicates lead-free and RoHS compliance as per manufacturer specifications. Confirm the 'X' designation corresponds to tape and reel packaging if required for automated assembly. Check current availability status as this component may be subject to lifecycle changes or discontinuation notices from Texas Instruments.

Voltage Reference Selection Notes

Select this part when a fixed 4.1V reference is required with high precision and low quiescent current. Ensure the input voltage remains within the 2V to 12V range to maintain regulation. Consider the SOT-23-5 package constraints for PCB layout and thermal dissipation requirements in the target application environment.

Voltage Reference Part Context

This component belongs to the LM4120 family of precision micropower voltage references from Texas Instruments. The family offers various fixed output voltages and accuracies in compact packages. The LM4120 series is designed to replace bulkier reference solutions while maintaining high stability and low noise characteristics essential for sensitive analog circuits.

Voltage Reference Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.