LM4120AIM5X-2.0/NOPB

Voltage Reference Overview

The LM4120AIM5X-2.0/NOPB is a precision micropower low-dropout voltage reference manufactured by Texas Instruments, featuring a fixed output of 2.048 V with an initial accuracy of ±0.2%. It operates within an input voltage range of 2 V to 12 V and supports a maximum shunt current of 5 mA. The device exhibits a temperature coefficient of 50 ppm/°C and functions reliably across a temperature range of -40°C to +85°C. Packaged in a compact SOT-23-5 surface-mount format, it draws a supply current of 275 µA.

Voltage Reference Feature Summary

• Provides high-precision fixed voltage output with tight initial accuracy tolerance
• Operates as a low-dropout regulator suitable for battery-powered applications
• Features micropower consumption design for extended operational life
• Ensures stable performance across wide industrial temperature ranges

Voltage Reference Applications

• Portable instrumentation requiring precise analog references
• Battery-operated measurement systems
• Data acquisition circuits
• Microcontroller power supply monitoring

Voltage Reference Procurement Notes

Verify the specific suffix 'NOPB' indicates lead-free and RoHS compliance status according to the manufacturer's latest documentation. Confirm the 'X' designation aligns with the required tape-and-reel packaging configuration for automated assembly processes. Ensure the component meets all environmental regulations applicable to your manufacturing region before finalizing procurement orders.

Voltage Reference Selection Notes

Select this component when a fixed 2.048 V reference is required with ±0.2% accuracy. It is appropriate for designs needing low quiescent current and operation up to 12 V input. Consider the SOT-23-5 package constraints for PCB layout. Verify that the 50 ppm/°C drift meets system stability requirements over the intended operating temperature range.

Voltage Reference Part Context

This part belongs to the LM4120 series of precision micropower voltage references from Texas Instruments. The series offers various fixed output voltages and accuracy grades. The AIM5 variant specifically denotes the automotive-grade or enhanced reliability version within the standard LM4120 family, packaged in the small SOT-23-5 form factor for space-constrained designs.

Voltage Reference Replacement Considerations

Direct substitutes include other LM4120 variants with matching output voltages and accuracies, such as LM4120AIM5-2.0/NOPB. Cross-reference with LM4132 series for higher accuracy needs, ensuring pin compatibility and thermal performance match the original design specifications.