LM4120AIM5X-3.3/NOPB

Voltage Reference Overview

The LM4120AIM5X-3.3/NOPB is a precision micropower low dropout voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 3.3 V with an initial accuracy of ±0.2%. The device operates within an input voltage range of 2 V to 14 V and draws a typical supply current of 275 µA. It features a temperature coefficient of 50 ppm/°C and supports a maximum shunt current of 5 mA. The component is housed in a SOT-23 package and is rated for operation between -40°C and +85°C.

Voltage Reference Feature Summary

• Precision micropower series voltage reference design
• Low dropout operation capability
• High initial accuracy specification
• Compact surface-mount packaging

Voltage Reference Applications

• Portable battery-powered instrumentation
• Data acquisition systems
• Microcontroller reference voltage sources
• ADC/DAC reference inputs

Voltage Reference Procurement Notes

Verify the specific suffix 'NOPB' indicates lead-free/RoHS compliance status against the latest manufacturer documentation. Confirm the 'X' suffix denotes tape and reel packaging format if required for automated assembly processes. Ensure the operating temperature range aligns with system environmental requirements before finalizing procurement orders.

Voltage Reference Selection Notes

Select this component when a stable, low-noise reference voltage is needed for precision analog circuits. The low quiescent current makes it suitable for battery-operated devices where power conservation is critical. Verify that the load current requirements do not exceed the maximum shunt current rating during all operating conditions.

Voltage Reference Part Context

This part belongs to the LM4120 family of precision voltage references from Texas Instruments. The family offers various fixed output voltages and accuracy grades. The AIM5 variant specifically denotes the automotive-grade or industrial-grade performance level within the SOT-23-5 package configuration, ensuring reliability across specified temperature ranges.

Voltage Reference Replacement Considerations

Direct pin-to-pin replacements may include other LM4120 variants with different output voltages or accuracy grades. Verify compatibility with existing circuit designs when substituting parts with different temperature coefficients or noise specifications.