LM4125AIM5-4.1/NOPB

Voltage Reference Overview

The LM4125AIM5-4.1/NOPB is a precision micropower low dropout voltage reference IC manufactured by Texas Instruments. It provides a fixed output voltage of 4.096V with an initial accuracy of ±0.2%. The device operates within a maximum shunt current of 5 mA and features a SOT-23-5 surface-mount package. It supports input voltages up to 14 V and functions reliably across a temperature range of -40°C to +85°C.

Voltage Reference Feature Summary

• Provides stable fixed reference voltage for precision analog circuits
• Micropower operation suitable for battery-powered applications
• Low dropout design ensures regulation under varying input conditions

Voltage Reference Applications

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

Voltage Reference Procurement Notes

Verify the complete part number including suffixes such as NOPB and packaging options like cut tape or reel. Confirm RoHS compliance status and lifecycle stage, as this specific variant may be obsolete. Ensure the supplier provides official datasheets matching the Texas Instruments specification for the 4.096V fixed output version.

Voltage Reference Selection Notes

Select this component when a fixed 4.096V reference is required with high initial accuracy. Consider the 5 mA maximum shunt current limit for load requirements. Compare against adjustable variants if flexibility is needed. Verify thermal performance within the specified operating temperature range for the target application environment.

Voltage Reference Part Context

This part belongs to the LM4125 series of precision micropower voltage references from Texas Instruments. It shares architectural similarities with other members like the LM4120 and LM4125 families but offers a fixed output configuration. The SOT-23-5 package allows for compact PCB layouts in space-constrained designs.

Voltage Reference Replacement Considerations

Check for direct substitutes within the LM4125 family with different output voltages. Verify pin compatibility with similar SOT-23-5 voltage references from other manufacturers if sourcing alternatives due to obsolescence.