LM4132EMF-1.8

Voltage Reference Overview

The LM4132EMF-1.8 is a precision series voltage reference from Texas Instruments, housed in a compact SOT-23-5 surface-mount package. It provides a fixed nominal output voltage of 1.8 V with an initial accuracy of ±0.5%. The device features a low temperature coefficient of 20 ppm/°C and supports a maximum input voltage of 5.5 V. It operates within a junction temperature range of -40°C to +125°C and includes a shutdown enable feature for power management.

Voltage Reference Feature Summary

• Provides stable reference voltage for high accuracy measurements
• Includes shutdown enable functionality for power optimization
• Designed for low dropout operation in compact packages

Voltage Reference Applications

• Precision instrumentation requiring stable reference voltages
• Data acquisition systems ensuring measurement repeatability
• Portable battery-powered equipment utilizing low current consumption

Voltage Reference Procurement Notes

Verify the specific suffix (e.g., NOPB) against the manufacturer's datasheet to confirm lead-free compliance and exact electrical tolerances. Ensure the ordering part number matches the required output voltage and package variant. Cross-reference the manufacturer's latest documentation to validate pinout configurations and thermal characteristics before finalizing procurement specifications.

Voltage Reference Selection Notes

Select this component when a fixed 1.8 V reference is required in space-constrained designs. The SOT-23-5 package offers a small footprint suitable for portable applications. Consider the ±0.5% initial accuracy and 20 ppm/°C drift for circuits demanding moderate precision without the complexity of adjustable references or higher-cost alternatives.

Voltage Reference Part Context

This component belongs to the LM4132 family of precision shunt voltage references manufactured by Texas Instruments. The family is characterized by low noise, low dropout performance, and integrated shutdown capabilities. Variants within the series offer different fixed output voltages while maintaining consistent package dimensions and general electrical characteristics for system design flexibility.

Voltage Reference Replacement Considerations

LM4132EMF-1.8/NOPB serves as the direct lead-free equivalent. Other LM4132 variants with different output voltages may be functionally compatible if the voltage requirement allows.