The LM2904DGKR is a general-purpose, dual operational amplifier from Texas Instruments. It is designed to provide excellent performance in a wide variety of applications including filters, power supplies, instrumentation, and signal conditioning. The LM2904DGKR contains two independent, high-performance op amps with excellent bias and gain characteristics and low noise operation. The device has a wide bandwidth, low distortion, high input impedance, and low output impedance. It can operate on a wide range of supply voltages, making it suitable for use in both AC and DC applications. The LM2904DGKR also features a wide common-mode voltage range and is able to drive high current loads. Additionally, the LM2904DGKR and its variants are available in various packages to suit various applications.