LM4120AIM5X-4.1

Voltage Reference Overview

The LM4120AIM5X-4.1 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 package and functions reliably across a temperature range of -40°C to +85°C.

Voltage Reference Feature Summary

• Provides high-precision fixed voltage output with tight initial accuracy tolerance
• Operates as a micropower device with low quiescent current consumption
• Features low dropout characteristics for efficient operation across wide input ranges
• Ensures stable performance over temperature variations with controlled drift

Voltage Reference Applications

• Portable instrumentation requiring precise voltage standards
• Battery-powered measurement systems
• Data acquisition systems needing stable reference sources
• Medical equipment with strict power constraints

Voltage Reference Procurement Notes

Verify the specific suffix 'X' against the manufacturer's official documentation to confirm packaging configuration, as standard datasheets may list 'NOPB' or other variants. Ensure the order matches the required tape-and-reel specifications if applicable. Confirm RoHS compliance status directly from the latest product data sheet before procurement.

Voltage Reference Selection Notes

Select this component when a fixed 4.1V reference is required with ±0.2% accuracy. It is suitable for applications demanding low power consumption under 300µA. Consider the SOT-23-5 footprint for space-constrained designs. Verify that the 5mA load capability meets the circuit requirements.

Voltage Reference Part Context

This part belongs to the LM4120 series of precision micropower voltage references. The series offers various fixed output voltages and accuracy grades. The AIM5X designation indicates a specific accuracy grade and package variant within the broader family of low-dropout references designed for portable and battery-operated electronics.

Voltage Reference Replacement Considerations

Check for LM4120AIM5-4.1/NOPB as a potential equivalent. Verify pin compatibility and electrical parameters against the target application requirements before substitution.