The MAX6126AASA25+ is a voltage reference device manufactured by Analog Devices, featuring a series of ultra-high precision, ultra-low noise voltage references. It offers a wide voltage range, from 0.75V to 5.5V, with an output accuracy of ± 0.08%, a low output noise of only 0.11µVrms (0.1Hz to 100kHz) , and an input temperature coefficient of only 0.6 ppm/°C, making it ideal for precision applications. The device can deliver up to 200mA of current and has an operating temperature range of -40°C to +125°C . Additionally, it includes an on-board 2.5V reference with enable/disable control, as well as guaranteed startup and accuracy specifications over the entire temperature range and is available in a small 8-lead SO package.