LM4040BIM3X-2.5

$0.61

Description：IC VREF SHUNT 0.2% SOT23-3
Series：-
Mfr：National Semiconductor
Package：Bulk

SKU:17be3ba34795 Category: Voltage Reference Brand: National Semiconductor

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Product introduction

Product Detailed Parameters

Description：IC VREF SHUNT 0.2% SOT23-3
Series：-
Mfr：National Semiconductor
Package：Bulk
Output Type：Fixed
Voltage - Output (Min/Fixed)：2.5V
Voltage - Output (Max)：-
Current - Output：15 mA
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：TO-236-3, SC-59, SOT-23-3
Supplier Device Package：SOT-23-3
Grade：-
Qualification：-

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LM4040BIM3X-2.5

Overview

The LM4040BIM3X-2.5 is a precision micropower shunt voltage reference manufactured by National Semiconductor, now part of Texas Instruments. It provides a fixed output voltage of 2.5 V with an initial accuracy of 0.2% and a temperature coefficient of 100 ppm/°C. The device operates within a supply current range of 60 µA to 15 mA and functions across a temperature range of -40°C to +85°C. Packaged in a compact SOT-23-3 (TO-236AB) surface-mount case, it serves as a stable reference for analog circuits.

Feature Summary

Delivers high-precision voltage regulation with tight initial accuracy tolerances
Operates efficiently at micropower levels suitable for battery-powered systems
Maintains stability over wide temperature variations through low drift characteristics

Applications

Portable instrumentation requiring precise voltage references
Battery-powered measurement devices
Data acquisition systems needing stable analog references

Procurement Notes

Verify the manufacturer designation carefully, as National Semiconductor assets were acquired by Texas Instruments. Ensure the ordering suffix matches the required package and temperature grade. Confirm RoHS compliance status via the specific datasheet revision. Cross-reference the exact part number against current TI catalogs to ensure availability and correct pinout configuration.

Selection Notes

Select this component when a fixed 2.5 V reference is required in space-constrained designs. The SOT-23-3 package offers a small footprint ideal for portable electronics. Consider the 100 ppm/°C temperature coefficient for applications demanding moderate thermal stability without the cost of higher-grade references.

Part Context

This device belongs to the LM4040 family of micropower shunt voltage references. It shares functional similarities with other members like the LM4040AIM3X-2.5 but differs in accuracy grades and temperature coefficients. The family is designed to replace bulkier Zener diodes in precision applications.