Texas Instruments

LM4050BEM3X-2.5

LM4050BEM3X-2.5 Description

The LM4050BEM3X-2.5 is a precision shunt voltage reference IC designed by Texas Instruments. This device is part of the Power Management Integrated Circuits (PMIC) category and is housed in a compact SOT23-3 package, making it suitable for a wide range of applications where space is a critical consideration. The LM4050BEM3X-2.5 provides a fixed output voltage of 2.5V with a tolerance of ±0.2%, ensuring high accuracy and reliability in voltage regulation. It features a low temperature coefficient of 50ppm/°C, which minimizes voltage drift over varying temperature conditions, thereby maintaining stable performance across a broad operating range.

LM4050BEM3X-2.5 Features

• Fixed Output Voltage: The LM4050BEM3X-2.5 offers a stable 2.5V output voltage, ideal for applications requiring precise voltage references.
• Low Temperature Coefficient: With a temperature coefficient of 50ppm/°C, this device ensures minimal voltage variation with temperature changes, enhancing its stability and accuracy.
• High Accuracy: The ±0.2% tolerance guarantees high precision, making it suitable for applications that demand tight voltage regulation.
• Low Noise: The device exhibits low noise levels of 41µVrms over the 10Hz to 10kHz frequency range, ensuring clean voltage references for sensitive analog circuits.
• Surface Mount Packaging: The SOT23-3 package is designed for surface mount technology, facilitating easy integration into compact PCB designs.
• Low Quiescent Current: The cathode current is only 65µA, which is beneficial for low-power applications and helps in reducing overall power consumption.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the LM4050BEM3X-2.5 is suitable for manufacturing processes that require extended exposure to moisture.
• REACH Compliance: The device is REACH unaffected, ensuring compliance with environmental and safety standards.

LM4050BEM3X-2.5 Applications

The LM4050BEM3X-2.5 is well-suited for a variety of applications that require a precision voltage reference. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for ADCs, ensuring accurate digital conversions.
• Digital-to-Analog Converters (DACs): Ensures precise output levels in DACs by offering a reliable reference voltage.
• Power Supplies: Used in voltage regulators and power supplies to maintain stable output voltages.
• Battery Management Systems: Offers a precise reference for battery voltage monitoring and regulation.
• Medical Devices: Suitable for applications in medical equipment where high accuracy and reliability are critical.
• Industrial Control Systems: Provides stable voltage references for sensors and control circuits in industrial environments.

Conclusion of LM4050BEM3X-2.5

The LM4050BEM3X-2.5 from Texas Instruments is a high-performance shunt voltage reference IC that stands out due to its precision, stability, and low noise characteristics. Its compact SOT23-3 package and surface mount compatibility make it an excellent choice for space-constrained designs. While its status is marked as obsolete, the LM4050BEM3X-2.5 remains a reliable option for applications requiring a fixed 2.5V reference voltage with high accuracy and minimal temperature drift. Its low quiescent current and REACH compliance further enhance its suitability for a wide range of applications, making it a valuable component in the electronics industry.