LM4041DIM3X-ADJ/NOPB

Voltage Reference Overview

The LM4041DIM3X-ADJ/NOPB is a precision micropower shunt voltage reference from Texas Instruments, housed in an SOT-23 package. It offers an adjustable output voltage range of 1.24V to 5.0V with a typical initial accuracy of 0.5% and temperature coefficient of 50 ppm/°C. Operating within a current range of 75µA to 15mA, it ensures stable regulation for battery-powered applications. The device features low dynamic impedance and requires minimal external components, making it suitable for space-constrained designs requiring high precision.

Voltage Reference Feature Summary

• Adjustable output voltage capability spanning from 1.24V to 5.0V
• Micropower operation optimized for battery life extension
• High precision with tight initial accuracy specifications
• Low dynamic impedance for improved load regulation

Voltage Reference Applications

• Battery-powered measurement instruments
• Portable data acquisition systems
• Precision analog-to-digital converter references
• Voltage monitoring circuits in embedded systems

Voltage Reference Procurement Notes

Verify the complete part number including suffixes such as NOPB for lead-free status and DIM3X for tape-and-reel packaging configuration. Confirm that the adjustable variant matches the required voltage range for your specific circuit design. Ensure compatibility with your PCB footprint regarding the SOT-23 package dimensions. Cross-reference manufacturer documentation for any recent updates or obsolescence notices before finalizing procurement decisions.

Voltage Reference Selection Notes

Choose this component when precise, adjustable voltage referencing is needed in low-power environments. Consider the 75µA minimum operating current requirement to ensure proper regulation under light load conditions. Evaluate the thermal performance if operating in enclosed spaces. Compare against fixed-voltage alternatives if the application does not require adjustability to potentially reduce component count and cost.

Voltage Reference Part Context

This device belongs to the LM4041 family of micropower shunt voltage references designed for high-precision applications. It serves as a key component in systems requiring stable reference voltages without drawing significant power. The adjustable nature distinguishes it from fixed-output counterparts, offering flexibility in circuit design. Its small form factor supports modern compact electronic devices where space is limited.

Voltage Reference Replacement Considerations

Direct substitutes include other LM4041 variants with different output options or packages. Verify pinout compatibility and electrical specifications before substitution. Alternative manufacturers may offer similar performance but require careful evaluation of parameter tolerances and thermal characteristics.