LM4120AIM5-4.1/NOPB

Voltage Reference Overview

The LM4120AIM5-4.1/NOPB is a precision micropower low dropout voltage reference manufactured by Texas Instruments, featuring a fixed output of 4.1V with an initial accuracy of ±0.2%. It operates within an input voltage range of 2V to 12V and supports a maximum shunt current of 5mA. The device exhibits a temperature coefficient of 50ppm/°C and maintains operation across a temperature range of -40°C to +85°C. Packaged in a compact SOT-23-5 format, it draws a supply current of 275µA.

Voltage Reference Feature Summary

• Provides stable reference voltage with high initial accuracy
• Operates as a low dropout series regulator
• Designed for micropower consumption applications

Voltage Reference Applications

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

Voltage Reference Procurement Notes

Verify the specific suffix against official Texas Instruments documentation to confirm pinout compatibility and electrical specifications. Ensure the component meets RoHS standards if required by your design constraints. Cross-reference the datasheet revision date to validate parameter consistency before integration into production designs.

Voltage Reference Selection Notes

Select this component when a fixed 4.1V reference is required with tight tolerance specifications. Consider the SOT-23-5 package size for space-constrained layouts. Evaluate the 50ppm/°C drift against thermal environment requirements to ensure long-term stability in the target application.

Voltage Reference Part Context

This part belongs to the LM4120 family of precision micropower voltage references from Texas Instruments. The family offers various fixed output voltages and accuracies, designed for applications demanding low noise and high stability in small form factors.

Voltage Reference Replacement Considerations

Check for direct equivalents such as other LM4120 variants with different output voltages or accuracies. Verify pin-to-pin compatibility with alternative manufacturers' offerings before substitution.