LM4120AIM5-5.0/NOPB

Voltage Reference Overview

The LM4120AIM5-5.0/NOPB is a precision micropower low dropout voltage reference manufactured by Texas Instruments. It provides a fixed nominal output voltage of 5 V with an initial accuracy of ±0.2%. The device operates within an input voltage range of 2 V to 12 V and supports a maximum shunt current of 5 mA. It features a temperature coefficient of 50 ppm/°C and maintains line regulation at 0.008 %/V and load regulation at 0.12 %/mA. The component is housed in a SOT-23-5 package, suitable for surface mount installation, and functions across a temperature range of -40°C to +85°C.

Voltage Reference Feature Summary

• Delivers high-precision fixed voltage output with tight initial tolerance
• Operates as a micropower series reference with low dropout capability
• Ensures stable performance through low temperature coefficient characteristics

Voltage Reference Applications

• Portable battery-powered instrumentation requiring precise voltage standards
• Data acquisition systems needing accurate reference sources for ADCs
• Medical equipment utilizing low-power precision voltage regulation

Voltage Reference Procurement Notes

Verify the specific suffix and version when sourcing, as availability may vary due to lifecycle status. Confirm RoHS compliance and lead times with authorized distributors. Ensure the ordering part number matches the required output voltage and package type exactly to avoid integration errors in design.

Voltage Reference Selection Notes

Select this component when a fixed 5 V reference with ±0.2% accuracy is required in a compact SOT-23-5 footprint. It is suitable for applications prioritizing low power consumption and precision over adjustable output flexibility. Consider the 5 mA output current limit and operating temperature range during circuit design.

Voltage Reference Part Context

This part belongs to the LM4120 family of precision micropower low dropout voltage references from Texas Instruments. The family includes various fixed output voltages and packages, designed for applications demanding high stability and low noise in space-constrained environments.

Voltage Reference Replacement Considerations

Direct substitutes include other LM4120 variants with different output voltages or packages, such as LM4120AIM5-2.5/NOPB. Cross-brand replacements require matching voltage, accuracy, and package dimensions.