LM4132DMF-2.0

Voltage Reference Overview

The LM4132DMF-2.0 is a precision series voltage reference manufactured by Texas Instruments, housed in a compact SOT-23-5 surface-mount package. It provides a fixed output voltage of 2.048 V with an initial accuracy of ±0.05%. The device features a temperature coefficient of 20 ppm/°C and supports a maximum shunt current of 20 mA. It operates within an input voltage range up to 6 V and functions reliably across an extended temperature range from -40°C to +125°C.

Voltage Reference Feature Summary

• Delivers high-precision voltage regulation with tight initial accuracy tolerances for sensitive analog circuits.
• Incorporates a shutdown enable feature to minimize power consumption during inactive periods.
• Utilizes a low-dropout architecture suitable for battery-powered applications requiring efficient energy usage.

Voltage Reference Applications

• Portable instrumentation systems requiring stable reference voltages
• Battery-operated measurement devices needing low quiescent current
• Data acquisition systems utilizing high-resolution analog-to-digital converters

Voltage Reference Procurement Notes

Verify the specific suffix codes against official Texas Instruments documentation to confirm pinout compatibility and electrical specifications. Ensure the ordering part number matches the required tolerance and temperature grade. Cross-reference datasheets for any recent manufacturing changes or obsolescence notices before finalizing procurement decisions.

Voltage Reference Selection Notes

Select this component when designing circuits that demand superior long-term stability and low noise performance. Consider the thermal management requirements given the small SOT-23-5 footprint. Evaluate the shutdown functionality if power efficiency is critical for the target application environment.

Voltage Reference Part Context

This device belongs to the LM4132 family of precision micropower shunt voltage references. It shares architectural similarities with other members like the LM4132AMF and LM4132CMF but differs in specific temperature coefficient grades and accuracy levels. The family is designed for space-constrained designs requiring reliable voltage regulation.

Voltage Reference Replacement Considerations

LM4132AMF-2.0/NOPB offers similar functionality with potentially different temperature coefficients. LM4132EMF-2.0/NOPB provides alternative accuracy grades. Verify pin compatibility and electrical parameters against original design requirements before substitution.