Texas Instruments

LM4040DEM3-2.5

LM4040DEM3-2.5 Description

The LM4040DEM3-2.5 is a precision shunt voltage reference IC designed by Texas Instruments, offering a fixed output voltage of 2.5V with a tolerance of ±1%. This device is part of the Power Management Integrated Circuits (PMIC) category and is housed in a Surface Mount SOT23-3 package, making it suitable for compact and high-density designs. The LM4040DEM3-2.5 provides a maximum output current of 15 mA and features a low temperature coefficient of 150ppm/°C, ensuring stable performance across a wide temperature range. Additionally, it has a low noise level of 35µVrms from 10Hz to 10kHz, which is crucial for applications requiring high precision and minimal interference. The device is REACH unaffected and has a Moisture Sensitivity Level (MSL) of 1, indicating it is suitable for unlimited exposure to ambient conditions without degradation. Despite its obsolescence status, the LM4040DEM3-2.5 remains a reliable choice for applications that require a stable and precise voltage reference.

LM4040DEM3-2.5 Features

• Fixed Output Voltage: Provides a stable 2.5V output, ideal for applications requiring a precise voltage reference.
• Low Temperature Coefficient: With a coefficient of 150ppm/°C, the LM4040DEM3-2.5 ensures minimal drift over temperature variations, enhancing reliability in diverse environments.
• Low Noise Performance: Exhibits a noise level of 35µVrms from 10Hz to 10kHz, making it suitable for sensitive analog circuits where noise minimization is critical.
• High Output Current Capability: Capable of delivering up to 15 mA, allowing it to drive multiple loads or serve as a reference for high-current applications.
• Compact Surface Mount Package: The SOT23-3 package is ideal for space-constrained designs, enabling integration into small form-factor devices.
• High Tolerance Accuracy: ±1% tolerance ensures precise voltage regulation, critical for applications requiring high accuracy.
• REACH Compliance: Being REACH unaffected, it meets stringent environmental and safety standards, facilitating compliance with global regulations.
• Unlimited Moisture Sensitivity Level: MSL 1 rating allows for unlimited exposure to ambient conditions without risk of moisture-induced damage, enhancing durability.

LM4040DEM3-2.5 Applications

The LM4040DEM3-2.5 is well-suited for a variety of applications that demand high precision and stability in voltage references. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for ADCs, ensuring accurate and reliable digital conversions.
• Digital-to-Analog Converters (DACs): Offers a precise reference for DACs, enhancing the accuracy of analog signal generation.
• Power Supply Circuits: Acts as a reference for voltage regulators and power supplies, maintaining stable output voltages.
• Precision Measurement Instruments: Used in devices such as voltmeters and oscilloscopes to provide a stable reference for accurate measurements.
• Medical Equipment: Ensures precise voltage regulation in medical devices, contributing to reliable performance.
• Industrial Control Systems: Provides a stable reference for sensors and control systems, enhancing the accuracy and reliability of industrial processes.

Conclusion of LM4040DEM3-2.5

The LM4040DEM3-2.5 from Texas Instruments is a robust and precise shunt voltage reference IC, offering a fixed 2.5V output with high accuracy and stability. Its low temperature coefficient, low noise performance, and high output current capability make it an excellent choice for a wide range of applications, from precision measurement instruments to industrial control systems. Despite its obsolescence status, the LM4040DEM3-2.5 remains a reliable and precise voltage reference, ensuring stable performance in demanding environments. Its compact SOT23-3 package and REACH compliance further enhance its suitability for modern, space-constrained designs. For applications requiring a stable and precise voltage reference, the LM4040DEM3-2.5 stands out as a dependable solution.