LM4040 Shunt Voltage Reference is very stable over different conditions

https://www.electronics-lab.com/lm4040-shunt-voltage-reference-is-of-high-accuracy/

STMicroelectronics’ LM4040 is low power and high accuracy shunt voltage reference providing a stable output voltage over the industrial temperature range (-40°C to +125°C), with a maximum temperature coefficient of 70 ppm/°C. It is available in 0.1%, 0.2%, 0.5%, and 1% initial accuracy versions. The SOT323- 5L and SOT23-3L packages can be designed in applications […]