Texas Instruments

LM4040AIM3-2.5  

Voltage References

LM4040AIM3-2.5 Description

The LM4040AIM3-2.5 from Texas Instruments is a high-precision 2.5V shunt voltage reference designed for applications requiring stable and accurate voltage regulation. Packaged in a compact SOT-23-3 surface-mount form factor, this device delivers ±0.1% tolerance and a low temperature coefficient of 100ppm/°C, ensuring reliable performance across varying environmental conditions. With a noise level of just 35µVrms (10Hz to 10kHz), it is well-suited for noise-sensitive circuits. The LM4040AIM3-2.5 operates as a two-terminal shunt reference, requiring no external components for basic functionality, and supports an output current of up to 15 mA.

LM4040AIM3-2.5 Features

• Precision Voltage Reference: Fixed 2.5V output with ±0.1% initial accuracy.
• Low Noise & Drift: 35µVrms noise and 100ppm/°C tempco for stable performance.
• Wide Operating Range: Cathode current as low as 65 µA, suitable for low-power designs.
• Compact & Robust: SOT-23-3 package with MSL1 (Unlimited) moisture sensitivity, ideal for automated assembly.
• Compliance: ROHS3 and REACH compliant, with EAR99 ECCN for global use.
• Last-Time-Buy Status: Available in Tape & Reel (TR) packaging for high-volume production.

LM4040AIM3-2.5 Applications

• Precision Analog Circuits: ADCs, DACs, and sensor interfaces requiring stable references.
• Portable Electronics: Battery-powered devices benefiting from low quiescent current (65 µA).
• Industrial Systems: Process control and instrumentation where low noise and high accuracy are critical.
• Automotive & Medical Devices: Reliable performance in regulated environments.
• Voltage Regulation: Simple shunt-based designs for cost-sensitive applications.

Conclusion of LM4040AIM3-2.5

The LM4040AIM3-2.5 stands out as a high-performance shunt voltage reference, combining precision, low noise, and compact packaging. Its ±0.1% tolerance and low power consumption make it ideal for demanding applications in industrial, automotive, and portable electronics. While marked as Last Time Buy, it remains a dependable choice for designs requiring a stable 2.5V reference with minimal external components. Engineers seeking a balance of accuracy, size, and ease of integration will find this device exceptionally well-suited for their needs.

LM4040AIM3-2.5 Documents

Download datasheets and manufacturer documentation for LM4040AIM3-2.5

PCN Assembly/Origin :

Material Change 31/Jul/2020      

Datasheets :

LM4040-N, LM4040-N-Q1      

PCN Packaging :

Pin One Dot 07/Jan/2019      

PCN Obsolescence/ EOL :

LM404x obs 07/Mar/2023      

HTML Datasheet :

LM4040-N, LM4040-N-Q1      

PCN Design/Specification :

Cu Wire Bond 14/May/2013