STMicroelectronics

LM4040AELT-2.0  

Voltage References

LM4040AELT-2.0 Description

The LM4040AELT-2.0 is a high-precision shunt voltage reference from STMicroelectronics, designed for applications requiring exceptional accuracy and stability. This device offers a fixed output voltage of 2.048V with a tolerance of ±0.1%, ensuring highly reliable performance in precision circuits. The LM4040AELT-2.0 is optimized for surface-mount applications, making it ideal for compact and high-density designs. It features a low temperature coefficient of 70ppm/°C, which minimizes voltage drift over a wide temperature range, enhancing the stability of the reference voltage.

LM4040AELT-2.0 Features

• High Precision: With a tolerance of ±0.1%, the LM4040AELT-2.0 provides highly accurate voltage references, crucial for precision analog circuits.
• Low Noise: The device exhibits low noise levels of 95µVrms over the 10Hz to 10kHz frequency range, ensuring clean and stable reference voltages for sensitive applications.
• Low Quiescent Current: The LM4040AELT-2.0 operates with a low cathode current of 12 µA, making it energy-efficient and suitable for battery-powered and low-power applications.
• Wide Operating Current Range: Capable of handling up to 15 mA of output current, this voltage reference is versatile and can support a variety of load conditions.
• Surface-Mount Compatibility: The surface-mount package type allows for integration into compact and space-constrained designs, enhancing the flexibility of the device in various applications.
• Compliance and Safety: The LM4040AELT-2.0 is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards for electronics manufacturing.

LM4040AELT-2.0 Applications

The LM4040AELT-2.0 is well-suited for a range of applications where precision and stability are paramount. Its high accuracy and low noise make it ideal for:

• Precision Analog Circuits: Use in high-precision ADCs and DACs where accurate voltage references are essential for reliable performance.
• Battery Management Systems: Provides a stable reference voltage for accurate battery monitoring and protection circuits.
• Medical Devices: Ensures precise voltage references for sensitive medical equipment, contributing to accurate measurements and reliable operation.
• Industrial Control Systems: Offers stable reference voltages for instrumentation and control systems, enhancing the accuracy and reliability of industrial processes.
• Communication Systems: Provides stable reference voltages for RF and microwave applications, ensuring consistent performance across varying operating conditions.

Conclusion of LM4040AELT-2.0

The LM4040AELT-2.0 from STMicroelectronics is a high-precision shunt voltage reference that stands out in its category due to its exceptional accuracy, low noise, and stability. Its ±0.1% tolerance and low temperature coefficient of 70ppm/°C make it a reliable choice for precision applications. The device's low quiescent current and wide operating current range further enhance its versatility, making it suitable for a variety of applications, including precision analog circuits, battery management systems, medical devices, industrial control systems, and communication systems. With its surface-mount compatibility and compliance with environmental and safety standards, the LM4040AELT-2.0 is an excellent choice for designers seeking a high-performance voltage reference in compact and high-density designs.

LM4040AELT-2.0 Documents

Download datasheets and manufacturer documentation for LM4040AELT-2.0