Maxim Integrated LM4040BEM3-4.1+T Precision Voltage Reference

The LM4040BEM3-4.1+T from Maxim Integrated is a high-precision shunt voltage reference, offering a fixed reverse breakdown voltage of 4.1V with a remarkable stability and accuracy. Designed for space-constrained applications, this voltage reference comes in a small SOT-23 package, making it an ideal choice for portable and battery-powered devices.

With an operating current range of 60µA to 15mA, the LM4040BEM3-4.1+T provides designers with a flexible solution that caters to a variety of circuit configurations. The low dynamic impedance ensures stable reverse breakdown voltage throughout the entire operating current range, which is crucial for maintaining precise voltage regulation in your circuitry.

One of the standout features of the LM4040BEM3-4.1+T is its high accuracy. With an initial accuracy of ±0.1% (A grade) and temperature coefficient as low as 50ppm/°C, this device offers excellent temperature stability. This makes it a reliable reference source across a wide temperature range, ensuring consistent performance in varying environmental conditions.

Furthermore, the LM4040BEM3-4.1+T boasts a low output noise of only 30µVp-p (10Hz to 10kHz), providing a quiet reference voltage that is essential for high-precision analog circuits. Noise reduction is a critical factor in achieving high performance in sensitive applications such as A/D converters, portable instrumentation, and medical devices.

Maxim Integrated's commitment to quality is evident in the design and manufacturing of the LM4040BEM3-4.1+T. It offers a long-term stability of 150ppm/1,000 hours at 25°C, ensuring that your designs will maintain their precision over time. Additionally, the device is specified for the extended industrial temperature range of -40°C to +85°C, providing robust performance in diverse operating environments.

In summary, the LM4040BEM3-4.1+T is a versatile and highly accurate voltage reference that is suitable for a wide array of applications requiring precise voltage regulation. Its small footprint, stability, and low noise characteristics make it an excellent choice for designers looking to enhance the performance of their electronic systems.