LM4132CMFX-4.1/NOPB

Voltage Reference Overview

The LM4132CMFX-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 ±0.5%. The device features a temperature coefficient of 30 ppm/°C and supports a maximum shunt current of 20 mA. It operates within an input voltage range up to 6 V and functions across a temperature range from -40°C to +125°C. The unit consumes approximately 60 µA of operating supply current.

Voltage Reference Feature Summary

• Provides stable precision voltage referencing for analog circuits
• Includes shutdown enable functionality for power management
• Utilizes low dropout LDO architecture for efficient operation

Voltage Reference Applications

• Data acquisition systems requiring precise voltage standards
• Portable instrumentation utilizing battery-powered supplies
• Industrial process control loops needing stable references

Voltage Reference Procurement Notes

Verify the specific suffix 'CMFX' against the manufacturer's official datasheet to confirm the exact grade and packaging configuration. Ensure the ordering part number matches the required accuracy and temperature coefficient specifications for your design. Cross-reference the NOPB designation to confirm lead-free compliance status as defined in the latest product documentation.

Voltage Reference Selection Notes

Select this component when a 4.096 V reference with ±0.5% initial accuracy is required in a compact SOT-23-5 footprint. Consider the 30 ppm/°C temperature drift specification for thermal stability requirements. Evaluate the 20 mA maximum shunt current capability against the load demands of the application circuit to ensure proper regulation.

Voltage Reference Part Context

This device belongs to the LM4132 family of micropower shunt voltage references. The family offers various fixed output voltages and accuracy grades, all sharing similar low-power characteristics and shutdown capabilities. The LM4132 series is designed to replace older discrete reference solutions in space-constrained designs.

Voltage Reference Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.