LM4120IM5-2.0/NOPB

Voltage Reference Overview

The LM4120IM5-2.0/NOPB is a precision micropower low-dropout voltage reference from Texas Instruments, housed in a five-pin SOT-23 package. It provides a fixed output voltage of 2.048 V with an initial accuracy of ±0.2%. The device operates within an input voltage range of 2 V to 12 V and draws a supply current of 275 µA. It features a temperature coefficient of 50 ppm/°C and supports a maximum output current of 5 mA. The component functions reliably across a junction temperature range of -40°C to +85°C.

Voltage Reference Feature Summary

• Provides stable reference voltage with low dropout characteristics for efficient power management
• Delivers high initial accuracy suitable for precision measurement applications
• Operates with minimal quiescent current to conserve energy in battery-powered systems

Voltage Reference Applications

• Portable instrumentation requiring precise analog-to-digital conversion references
• Battery-operated devices needing stable voltage regulation with low power consumption
• Data acquisition systems utilizing high-resolution signal processing

Voltage Reference Procurement Notes

Verify the specific suffix and package type against official datasheets to ensure compatibility with design requirements. Confirm RoHS compliance status and lead times directly with authorized distributors or Texas Instruments. Check for end-of-life notifications or alternative part recommendations if sourcing for long-term production.

Voltage Reference Selection Notes

Select this component when a fixed 2.048 V reference is required in a compact SOT-23 form factor. Consider the ±0.2% accuracy and 50 ppm/°C drift for applications demanding moderate precision. Ensure the input voltage remains within the specified 2 V to 12 V range to maintain proper regulation and low noise performance.

Voltage Reference Part Context

This part belongs to the LM4120 series of micropower shunt voltage references designed for space-constrained applications. The series offers various fixed output voltages and accuracy grades. The LM4120IM5 variant specifically targets industrial and commercial environments with its extended temperature rating and robust packaging.

Voltage Reference Replacement Considerations

Consult official substitution guides for equivalent parts with matching voltage, accuracy, and package dimensions. Verify thermal performance and pinout compatibility before integrating alternatives into existing designs.