LM4132EMFX-2.0

Voltage Reference Overview

The LM4132EMFX-2.0/NOPB is a precision series voltage reference from Texas Instruments, housed in an 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 across a temperature range of -40°C to +125°C.

Voltage Reference Feature Summary

• Delivers high-precision voltage regulation with tight initial accuracy tolerances for sensitive analog circuits.
• Utilizes a compact SOT-23-5 footprint to facilitate space-constrained printed circuit board layouts.
• Maintains stable performance over wide industrial temperature ranges without requiring external components.

Voltage Reference Applications

• Precision data acquisition systems
• Portable instrumentation
• Battery-powered measurement devices

Voltage Reference Procurement Notes

Verify the complete part number including the suffix /NOPB when ordering to ensure compliance with lead-free manufacturing standards. Confirm that the specific output voltage variant matches the design requirements, as the LM4132 family offers multiple fixed voltage options. Ensure the selected package type aligns with the intended PCB assembly process and thermal management strategy.

Voltage Reference Selection Notes

Select this component when applications demand superior long-term stability and low drift compared to standard references. The 2.048 V output is suitable for interfacing directly with ADCs that utilize this common reference level. Consider the 20 ppm/°C drift specification against environmental temperature variations to ensure system-level accuracy meets specifications.

Voltage Reference Part Context

This device belongs to the LM4132 family of micropower series voltage references designed for high-accuracy applications. It serves as a drop-in replacement for older generation references while offering improved performance metrics in a smaller package. The family includes variants with different output voltages and accuracy grades to support diverse electronic design needs.

Voltage Reference Replacement Considerations

LM4132AMF-2.0/NOPB: Offers tighter 10 ppm/°C temperature coefficient but may have different availability status.

Voltage Reference FAQ

What is the maximum input voltage for the LM4132EMFX-2.0?

The maximum recommended input voltage is 6 V.

Does the LM4132EMFX-2.0 require external capacitors?

No external capacitors are required for stability; it is designed to operate without them.