The LM2904N/NOPB is a dual, Low Power, General Purpose Operational Amplifier from Texas Instruments. It is designed to operate from a single supply or dual supplies and is mainly used for common-mode signals. It has four internally-compensated gain stages, a high-gain input stage, and a low-power output stage. It also features low noise, low distortion, and fast settling time. The LM2904N/NOPB boasts a wide common-mode range of 0V to Vcc-1.5V on the input, and an output swing of 0V to Vcc-1.5V. It has a maximum output current of ±20 mA.