Texas Instruments

LM4431M3-2.5  

Voltage References

LM4431M3-2.5 Description

The LM4431M3-2.5 is a precision shunt voltage reference from Texas Instruments, designed to provide a highly accurate and stable reference voltage for a variety of power management applications. This device features a fixed output voltage of 2.5V with a tolerance of ±2%, ensuring reliable performance in sensitive electronic circuits. The LM4431M3-2.5 is housed in a compact SOT23-3 package, making it suitable for space-constrained designs.

LM4431M3-2.5 Features

• Fixed Output Voltage: The LM4431M3-2.5 offers a fixed output voltage of 2.5V, which is ideal for applications requiring a stable reference voltage.
• High Accuracy: With a tolerance of ±2%, the LM4431M3-2.5 provides high accuracy, ensuring precise voltage regulation.
• Low Noise: The device exhibits low noise levels, with a noise voltage of 35µVrms over the frequency range of 10Hz to 10kHz. This feature is crucial for applications sensitive to noise interference.
• Low Temperature Coefficient: The LM4431M3-2.5 has a typical temperature coefficient of 30ppm/°C, ensuring minimal drift over a wide temperature range (0°C to 70°C).
• Low Quiescent Current: The device operates with a low cathode current of 100µA, making it suitable for low-power applications.
• Surface Mount Packaging: The LM4431M3-2.5 is available in a surface mount package (SOT23-3), which is ideal for automated assembly processes and compact designs.
• Compliance: The LM4431M3-2.5 is REACH unaffected and RoHS3 compliant, ensuring it meets the latest environmental and regulatory standards.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the device is suitable for a wide range of manufacturing environments.

LM4431M3-2.5 Applications

The LM4431M3-2.5 is well-suited for a variety of applications that require a precise and stable voltage reference. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): The low noise and high accuracy of the LM4431M3-2.5 make it an ideal reference voltage source for ADCs, ensuring accurate signal conversion.
• Digital-to-Analog Converters (DACs): The stable reference voltage helps in maintaining the precision of DAC outputs.
• Power Management Integrated Circuits (PMICs): The LM4431M3-2.5 can be used as a reference in PMICs to ensure accurate voltage regulation and control.
• Battery Management Systems: The device's low quiescent current and high accuracy make it suitable for battery management applications where power efficiency and precision are critical.
• Precision Measurement Equipment: The LM4431M3-2.5 can serve as a reference voltage in precision measurement equipment, providing consistent and reliable performance.

Conclusion of LM4431M3-2.5

The LM4431M3-2.5 from Texas Instruments is a high-performance shunt voltage reference that offers a combination of accuracy, low noise, and low temperature coefficient. Its compact SOT23-3 package and surface mount design make it suitable for a wide range of applications, particularly those requiring precise voltage regulation and control. The device's compliance with environmental and regulatory standards ensures it meets the requirements of modern electronics manufacturing. Whether used in ADCs, DACs, PMICs, or other precision applications, the LM4431M3-2.5 provides reliable and stable performance, making it a valuable component in the electronics industry.

LM4431M3-2.5 Documents

Download datasheets and manufacturer documentation for LM4431M3-2.5

PCN Assembly/Origin :

Wafer Fab site 11/Oct/2018      

Datasheets :

LM4431      

PCN Obsolescence/ EOL :

Mult Dev EOL 6/Sep/2023