The SD321 is an integrated circuit from SHOUDING featuring low power operational amplifiers in a SOT23-5 RoHS package. The IC contains two amplifiers. Each amplifier is optimized for low power operation and has features such as high gain bandwidth product, low input offset voltage, low bias current, and wide common-mode range. The amplifiers have a power supply range of 1.8V to 5.5V. The SD321 offers excellent DC performance and reliable overall performance in a wide range of electronic applications.