LM4040 High Precision Voltage Reference Module, 2.048V & 4.096V Dual Reference Source Board for MCU Microcontroller Calibration

This precision voltage reference module built with LM4040 series chip provides accurate 2.048V and 4.096V benchmark voltage output, a necessary auxiliary board for microcontroller ADC calibration.

Compared with ordinary voltage divider circuits, the LM4040 chip features ultra-low temperature drift and excellent long-term stability, effectively eliminating measurement errors caused by unstable power supply or temperature changes. The dual voltage output design meets different ADC calibration requirements of various MCUs, greatly improving sampling data accuracy.

Standard pin header terminals simplify circuit connection, suitable for electronic production experiments, sensor signal acquisition, industrial signal testing and student electronic projects. The small-size circuit board saves experimental space, and built-in protection components prevent reverse connection damage to the reference chip.

It is an essential precision accessory for electronic engineers, maker enthusiasts and students engaged in single-chip microcontroller development and analog signal measurement.