LM4132DMF-1.8

Voltage Reference Overview

The LM4132DMF-1.8 is a precision series voltage reference manufactured by Texas Instruments, featuring a fixed output of 1.8V. It operates within an input voltage range of 3.7V to 5.5V and draws a supply current of 100µA. The device offers high accuracy with a tolerance of ±0.4% and a temperature coefficient of 20ppm/°C. It supports a maximum shunt current of 20mA and functions reliably across a junction temperature range of -40°C to 125°C. Packaged in a compact SOT-23-5 surface-mount format, it includes a shutdown enable feature for power management.

Voltage Reference Feature Summary

• Provides stable 1.8V reference with ±0.4% initial accuracy
• Low temperature drift of 20ppm/°C ensures precision
• Integrated shutdown enable for power optimization
• Compact SOT-23-5 package for space-constrained designs

Voltage Reference Applications

• Portable battery-powered instrumentation
• Data acquisition systems requiring precise references
• Medical equipment calibration circuits
• Industrial process control sensors

Voltage Reference Procurement Notes

Verify the exact suffix against the manufacturer's latest datasheet to confirm pinout and electrical specifications. Ensure the component matches the required operating temperature range and accuracy class for your specific application. Cross-reference the ordering part number with official TI documentation to avoid counterfeit or obsolete variants during sourcing.

Voltage Reference Selection Notes

Select this component when a low-drift, high-accuracy 1.8V reference is needed in a small footprint. Consider the 100µA quiescent current for battery life calculations. Verify that the input voltage remains within the 3.7V to 5.5V window. Compare with other LM4132 variants if different output voltages or accuracies are required.

Voltage Reference Part Context

Part of the LM4132 family of precision series voltage references from Texas Instruments. Designed for applications demanding stability and low noise. Shares common features like shutdown capability and SOT-23-5 packaging with other members of the series, differing primarily in output voltage and accuracy grades.

Voltage Reference Replacement Considerations

LM4132DMFX-1.8/NOPB is a verified equivalent offering identical functionality and specifications.