LM4132DMF-4.1/NOPB

Voltage Reference Overview

The LM4132DMF-4.1/NOPB is a precision series voltage reference manufactured by Texas Instruments, housed in a surface-mount SOT-23-5 package. It provides a fixed output voltage of 4.096 V with an initial accuracy of 0.1%. The device operates within a temperature range of -40°C to +125°C and features a maximum shunt current of 20 mA. Its low power consumption is characterized by a supply current of 60 µA, making it suitable for battery-powered applications requiring high stability.

Voltage Reference Feature Summary

• Provides a stable 4.096 V reference output with tight initial accuracy tolerance.
• Operates efficiently with ultra-low quiescent current consumption.
• Designed for reliable performance across extended industrial temperature ranges.

Voltage Reference Applications

• Precision analog-to-digital converter (ADC) reference sources
• Digital-to-analog converter (DAC) voltage references
• Portable instrumentation and metering systems

Voltage Reference Procurement Notes

Verify the specific suffix 'DMF' against official Texas Instruments documentation to confirm pinout and marking details, as distributor listings may vary. Ensure the component meets RoHS compliance requirements for your region. Cross-reference the manufacturer part number directly with the datasheet to avoid confusion with similar LM4132 variants that may have different accuracy grades or thermal characteristics.

Voltage Reference Selection Notes

Select this component when a compact SOT-23-5 footprint is required alongside high precision. The 0.1% initial accuracy makes it appropriate for applications demanding strict voltage tolerances. Consider the 60 µA supply current for power-sensitive designs. Verify that the 20 mA maximum shunt current meets the load requirements of the target circuit without exceeding thermal limits in the chosen enclosure.

Voltage Reference Part Context

This part belongs to the LM4132 family of micropower series voltage references from Texas Instruments. The family offers various output voltages and accuracy grades, all sharing a common low-power architecture. The LM4132 series is designed to replace bulkier reference solutions in space-constrained electronics while maintaining high stability and low noise characteristics essential for data acquisition systems.

Voltage Reference Replacement Considerations

Direct substitutes include other LM4132 variants with compatible output voltages and packages, such as LM4132BMF-4.1/NOPB or LM4132AMF-4.1/NOPB, provided their accuracy grades meet system specifications. Always verify pin compatibility and thermal performance before substitution.