This programmable low-noise 0.55V Band-Gap Reference is developed using TSMC 40nm technology, focusing on providing stable voltage with minimal noise interference. Its small area of 0.03 sq-mm and consumption of 0.5 mA makes it suitable for portable devices and systems where energy efficiency is critical. This GDSII-ready component underscores Tetrivis's commitment to creating components that enhance circuit reliability and performance.