LM4120IM5X-3.0/NOPB

Voltage Reference Overview

The LM4120IM5X-3.0/NOPB is a precision micropower low dropout voltage reference manufactured by Texas Instruments, housed in an SOT-23 package. It provides a fixed output voltage of 3.0 V with an initial accuracy of 0.5%. The device operates within an input voltage range up to 14 V and supports a maximum shunt current of 5 mA. It features a temperature coefficient of 50 PPM/°C and functions reliably across a temperature range from -40°C to +85°C.

Voltage Reference Feature Summary

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

Voltage Reference Applications

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

Voltage Reference Procurement Notes

Verify the specific suffix 'NOPB' indicates lead-free status and RoHS compliance when sourcing. Confirm the 'IM5X' designation matches the required industrial temperature grade and SOT-23 packaging format. Ensure the 3.0 V output variant aligns with circuit design requirements before procurement.

Voltage Reference Selection Notes

Select this component when a fixed 3.0 V reference with 0.5% accuracy is required in a compact SOT-23 footprint. Consider the 50 PPM/°C temperature coefficient for thermal stability needs. Verify that the 5 mA maximum shunt current meets the load requirements of the target application circuit.

Voltage Reference Part Context

This part belongs to the LM4120 family of precision micropower voltage references. The family offers various fixed output voltages and accuracy grades. The IM5X variant specifically denotes the industrial temperature range and surface-mount SOT-23 packaging configuration provided by Texas Instruments.

Voltage Reference Replacement Considerations

LM4120AIM5X-3.0/NOPB: Offers improved 0.2% initial accuracy compared to the 0.5% of the IM5X version while maintaining identical pinout and electrical characteristics.