?LM2904DR2G is an operational amplifier (Op Amp) manufactured by ON Semiconductor. This device is a dual low power 40 to 105 degree Celsius 3-26V active CMOS Operational Amplifier. It features a wide supply voltage range of 3-26V and a wide temperature range of -40 to 105° C which makes is suitable for variety of applications. It has a low-current operation of 2.7mA, making it ideal for portable and battery-powered applications. It also features a low-noise, high-slew rate and Precise control of gain and phase characteristics. With its low power dissipation, excellent PSRR, and low noise, the LM2904DR2G is an ideal solution for portable, battery-operated, and general applications.