Texas Instruments

LM4040CEM3-2.5/E7001881

LM4040CEM3-2.5/E7001881 Description

The LM4040CEM3-2.5/E7001881 is a precision shunt voltage reference designed for automotive applications, manufactured by Texas Instruments. This device offers a fixed output voltage of 2.5V with a tight tolerance of ±0.5%, ensuring high accuracy in voltage regulation. It is capable of sourcing up to 15 mA of output current, making it suitable for a variety of power management applications. The LM4040CEM3-2.5/E7001881 features a low temperature coefficient of 100ppm/°C, which minimizes voltage drift over a wide temperature range, enhancing stability and reliability in demanding environments.

LM4040CEM3-2.5/E7001881 Features

• Precision Voltage Reference: The LM4040CEM3-2.5/E7001881 provides a highly accurate fixed output voltage of 2.5V with a tolerance of ±0.5%, ensuring precise voltage regulation.
• Low Noise Performance: With a noise level of only 35µVrms from 10Hz to 10kHz, this device offers superior noise performance, making it ideal for sensitive analog circuits.
• Automotive Grade: Certified for automotive applications, this reference voltage source is designed to meet the stringent requirements of the automotive industry, ensuring robustness and reliability.
• Surface Mount Technology: The surface mount package allows for easy integration into compact and high-density PCB designs, enhancing the flexibility of circuit layouts.
• Low Temperature Coefficient: A temperature coefficient of 100ppm/°C ensures minimal voltage drift over temperature variations, maintaining accuracy in diverse operating conditions.
• Low Quiescent Current: The device operates with a low cathode current of 68 µA, minimizing power consumption and extending battery life in portable applications.
• ROHS3 Compliant: The LM4040CEM3-2.5/E7001881 is ROHS3 compliant, ensuring environmental sustainability and adherence to global regulatory standards.
• Unlimited Moisture Sensitivity Level: With an MSL of 1 (Unlimited), this device is suitable for a wide range of manufacturing processes without the need for special handling procedures.

LM4040CEM3-2.5/E7001881 Applications

The LM4040CEM3-2.5/E7001881 is ideal for applications requiring precise voltage references, particularly in the automotive sector. Its key applications include:

• Automotive Electronics: Ideal for automotive systems such as engine control units (ECUs), advanced driver-assistance systems (ADAS), and infotainment systems where high reliability and precision are paramount.
• Precision Analog Circuits: Suitable for use in high-precision analog-to-digital converters (ADCs) and digital-to-analog converters (DACs) where accurate voltage references are essential.
• Battery Management Systems: Provides a stable reference voltage for battery monitoring and management systems, ensuring accurate voltage measurements and reliable operation.
• Power Supply Design: Can be used as a reference in linear and switching power supplies to maintain precise output voltage levels.

Conclusion of LM4040CEM3-2.5/E7001881

The LM4040CEM3-2.5/E7001881 from Texas Instruments is a high-performance shunt voltage reference tailored for automotive applications. Its precision, low noise, and automotive-grade reliability make it a superior choice for demanding power management applications. The device's low temperature coefficient and low quiescent current further enhance its performance in various operating conditions. With its surface mount package and ROHS3 compliance, the LM4040CEM3-2.5/E7001881 offers ease of integration and environmental sustainability. Whether used in automotive electronics, precision analog circuits, or power supply designs, this voltage reference ensures accurate and reliable voltage regulation, making it a valuable component in modern electronic systems.