Maxim Integrated LM4040AIX3-2.1+T Precision Voltage Reference

The LM4040AIX3-2.1+T from Maxim Integrated is a high-precision shunt voltage reference that provides a fixed voltage output of 2.1V. It is an essential component for various applications that require a stable reference voltage, such as data converters, portable instrumentation, and power supplies. This particular model stands out for its high accuracy and stability over a wide range of operating conditions.

Designed with advanced technology, the LM4040AIX3-2.1+T offers an impressive initial accuracy of ±0.1%, ensuring that devices and systems using this reference voltage can achieve high precision in their measurements and operations. Additionally, the temperature coefficient is specified as a low 75ppm/°C (max), which means that the output voltage remains consistent across a temperature range of -40°C to +85°C. This stability is crucial for applications that must operate reliably under varying environmental conditions.

The LM4040AIX3-2.1+T is available in a compact SOT-23 package, making it suitable for space-constrained applications. Its small footprint allows for integration into a wide array of electronic devices without significantly impacting the overall size of the system. The device also features a low dynamic impedance of 0.6Ω (typical), which helps in maintaining output voltage stability in the presence of load current changes.

In terms of power supply requirements, this voltage reference can operate with a wide range of supply voltages, from (VREF + 0.6V) up to 15V, and can source or sink up to 15mA of output current. This flexibility makes it compatible with a variety of circuits and power conditions, simplifying the design process for engineers.

The LM4040AIX3-2.1+T is also characterized for automotive applications, which means it meets stringent quality and reliability standards required for use in the automotive industry. With its high precision, stability, and robustness, the LM4040AIX3-2.1+T is an excellent choice for a reliable voltage reference solution across a wide range of applications.

For further information, including detailed specifications, application notes, and support resources, designers and engineers are encouraged to visit Maxim Integrated's official website or contact their local Maxim Integrated distributor.