LM4050AIM3-10/NOPB

Voltage Reference Overview

The LM4050AIM3-10/NOPB is a precision micropower shunt voltage reference manufactured by Texas Instruments, continuing the National Semiconductor lineage. It provides a fixed output voltage of 10V with an initial accuracy of ±0.1%. The device operates within a temperature range of -40°C to +125°C and features a maximum temperature coefficient of 50ppm/°C. It supports a cathode current range from 65µA to 15mA and exhibits low dynamic impedance. Packaged in a compact SOT-23-3 surface-mount case, it requires no external stabilizing capacitor for stability.

Voltage Reference Feature Summary

• Provides high-precision fixed voltage reference with laser-trimmed resistors ensuring tight initial accuracy tolerances.
• Operates stably across a wide operating current range without requiring external capacitors for stabilization.
• Maintains performance over extended industrial temperature ranges with low temperature coefficient characteristics.

Voltage Reference Applications

• Precision analog-to-digital converter (ADC) reference sources
• Portable battery-powered instrumentation circuits
• Data acquisition systems requiring stable voltage benchmarks

Voltage Reference Procurement Notes

Verify the manufacturer designation as Texas Instruments, which acquired National Semiconductor, when sourcing this component. Confirm the specific suffix indicates the 10V output variant and SOT-23 package. Ensure compliance with RoHS directives if required for the target assembly process. Cross-reference datasheet revisions to confirm pinout consistency with legacy designs.

Voltage Reference Selection Notes

Select this component when a 10V reference is required in space-constrained applications utilizing SOT-23 packaging. It is suitable for designs needing ±0.1% accuracy and operation up to 125°C. Consider the minimum operating current of 65µA for low-power budgeting. Evaluate thermal management requirements given the shunt topology dissipating power based on load current variations.

Voltage Reference Part Context

This part belongs to the LM4050 family of micropower shunt voltage references. The series offers multiple fixed reverse breakdown voltages including 1.225V, 2.048V, 2.5V, 3.0V, 3.3V, 4.096V, 5.0V, and 10V. The family is characterized by low noise, high stability, and small footprint options like SC-70 and SOT-23 packages.

Voltage Reference FAQ

Does the LM4050AIM3-10/NOPB require an external capacitor for stability?

No, the device does not require an external stabilizing capacitor while ensuring stability with any capacitive loads.

What is the maximum operating temperature for this voltage reference?

The specifications are guaranteed over a temperature range extending up to +125°C.