AD8628/AD8629 is a single-supply, rail-to-rail input/output operational amplifier from Analog Devices, with ultra-low noise, low drift, rail-to-rail input and output range, 5V single-supply operation, high gain, CMRR, PSRR, very low input bias current, low supply current, fast overload recovery time and no external components required. It is mainly used in automotive sensors, pressure and position sensors, strain gauge amplifiers, medical instrumentation, thermocouple amplifiers, precision current sensing and photodiode amplifier applications.