LM4128AMFX-2.0 Voltage Reference from Texas Instruments

The LM4128AMFX-2.0 is a precision, low-dropout voltage reference from Texas Instruments, designed to provide a stable and accurate reference voltage for high-performance analog circuits. This component is part of the LM4128 series, which is known for its high stability and low temperature coefficient, making it an ideal choice for precision applications.

With a fixed output voltage of 2.0V, the LM4128AMFX-2.0 offers a tight output voltage tolerance of ±0.1% at 25°C and ±0.2% over the full operating temperature range (-40°C to 125°C). This ensures reliable performance even under varying environmental conditions. The low dropout voltage and low supply current (typically 60µA) make it suitable for battery-powered devices and portable applications where power efficiency is critical.

The device is available in a small SOT-23 package, which is ideal for space-constrained applications. The LM4128AMFX-2.0 features a low output noise of 30µV RMS (10Hz to 10kHz), contributing to the overall noise reduction in sensitive circuit designs. Additionally, it has a very low, temperature-dependent voltage deviation, with a temperature coefficient typically at 20ppm/°C, providing a consistent performance across a wide range of temperatures.

The LM4128AMFX-2.0 is suitable for a variety of applications, including high-precision data converters, portable instrumentation, and medical devices. Its high accuracy and stability are particularly beneficial in applications such as analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and voltage monitoring systems where precise voltage references are crucial.

Texas Instruments ensures quality and reliability, and the LM4128AMFX-2.0 is no exception. It is a robust voltage reference that engineers can depend on for consistent performance and precision in their electronic designs.