LM4120AIM5X-1.8/NOPB

Voltage Reference Overview

The LM4120AIM5X-1.8/NOPB is a precision micropower low dropout voltage reference from Texas Instruments, housed in a SOT-23-5 package. It provides a fixed output voltage of 1.8V with an initial accuracy of ±0.2%. The device operates within an input voltage range of 2V to 12V and supports a maximum shunt current of 5mA. It features a temperature coefficient of 50ppm/°C and functions reliably across a temperature range of -40°C to +85°C.

Voltage Reference Feature Summary

• Provides high-precision voltage referencing with tight initial tolerance
• Designed for low power consumption suitable for battery-operated systems
• Operates as a series regulator with low dropout capability

Voltage Reference Applications

• Portable instrumentation requiring stable reference voltages
• Battery-powered measurement devices
• Data acquisition systems

Voltage Reference Procurement Notes

Verify the specific suffix 'NOPB' indicates lead-free and RoHS compliance status. Confirm the 'X' designation corresponds to tape and reel packaging. Ensure the manufacturer is Texas Instruments. Check for obsolescence notices or lifecycle changes before finalizing procurement plans.

Voltage Reference Selection Notes

Select this component when a fixed 1.8V reference with ±0.2% accuracy is required. Consider the 50ppm/°C temperature coefficient for thermal stability needs. Verify that the 5mA load current capability meets the circuit requirements. Ensure the SOT-23-5 footprint fits the PCB layout constraints.

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 AIM5 variant specifies the industrial temperature range and specific accuracy class within the broader product line.

Voltage Reference Replacement Considerations

LM4120AIM5-1.8/NOPB is the non-tape-and-reel equivalent.