BUY REF02CSA+ https://www.utsource.net/itm/p/11264497.html

Description: The REF02CSA+ is a precision voltage reference in an 8-pin SOP package from Maxim Integrated. It is a low-power, temperature-stable voltage reference with a 2.5V output voltage and a 0.2% initial accuracy. Features: Low-power operation: 0.5mA max Temperature-stable output voltage: 0.2%/°C max Low-noise operation: 0.1mVp-p max Low-drift operation: 0.2ppm/°C max High accuracy: 0.2% initial accuracy Wide operating temperature range: -40°C to +125°C Applications: Battery-powered systems Data acquisition systems Portable instrumentation Automotive systems Industrial process control (For reference only)