Texas Instruments

LM4128AMF-2.5

LM4128AMF-2.5 Description

The LM4128AMF-2.5 is a precision voltage reference IC designed by Texas Instruments, offering a fixed output voltage of 2.5V with a tight tolerance of ±0.1%. This device is part of the Power Management Integrated Circuit (PMIC) category, specifically tailored for applications requiring high accuracy and stability. The LM4128AMF-2.5 is housed in a compact SOT23-5 package, making it suitable for surface mount applications where space is a critical consideration.

LM4128AMF-2.5 Features

• Fixed Output Voltage: The LM4128AMF-2.5 provides a stable 2.5V output, ensuring consistent performance in precision applications.
• High Accuracy: With a tolerance of ±0.1%, this IC offers exceptional accuracy, making it ideal for applications where precise voltage levels are crucial.
• Low Supply Current: The device operates on a low supply current of 100µA, which is beneficial for low-power designs and battery-operated systems.
• Wide Input Voltage Range: The LM4128AMF-2.5 can operate within an input voltage range of 2.9V to 5.5V, providing flexibility in power supply requirements.
• Low Temperature Coefficient: The temperature coefficient of 75ppm/°C ensures minimal drift in output voltage over a wide temperature range, enhancing the reliability of the device in varying environmental conditions.
• Series Reference Type: As a series reference, the LM4128AMF-2.5 can be easily integrated into existing circuits, providing a straightforward solution for voltage regulation.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the LM4128AMF-2.5 is suitable for a wide range of manufacturing processes without the need for special handling precautions.
• Compliance and Packaging: The device is REACH unaffected and is available in a tape and reel (TR) package, facilitating efficient manufacturing and assembly processes.

LM4128AMF-2.5 Applications

The LM4128AMF-2.5 is well-suited for a variety of applications that demand high precision and stability in voltage reference. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): The high accuracy and low drift of the LM4128AMF-2.5 make it an ideal reference voltage source for ADCs, ensuring precise conversion and minimal error.
• Digital-to-Analog Converters (DACs): In DAC applications, the stable output voltage of the LM4128AMF-2.5 ensures accurate signal reconstruction.
• Precision Measurement Equipment: The LM4128AMF-2.5 can be used in precision measurement equipment where accurate voltage references are essential for reliable measurements.
• Battery Management Systems: The low supply current and wide input voltage range make the LM4128AMF-2.5 suitable for battery management systems, providing a stable reference voltage for monitoring and control.
• Medical Devices: In medical devices, where precision and reliability are paramount, the LM4128AMF-2.5 can provide a stable reference voltage for critical components.

Conclusion of LM4128AMF-2.5

The LM4128AMF-2.5 from Texas Instruments is a high-performance voltage reference IC that offers exceptional accuracy, stability, and low power consumption. Its compact SOT23-5 package and wide input voltage range make it a versatile solution for a variety of precision applications. Despite being marked as obsolete, the LM4128AMF-2.5 remains a reliable choice for engineers seeking a high-quality voltage reference in their designs. Its unique features, such as low temperature coefficient and low supply current, provide significant advantages over similar models, making it an ideal component for applications requiring precise voltage regulation.