The GS321-CR is a low power operational amplifier (OpAmp) manufactured by Gainsil. It is available in the 2mm x 2mm, SC70-5 RoHS package. The amplifier provides good linear performance over its input voltage range. It is designed to operate at low power supplies, with low input bias current, and high supply voltage rejection. It is optimized for single supply operation and can be used in a wide range of applications, including active filters, voltage followers, comparators, and instrumentation amplifiers. The product features low noise, a high input impedance, and rail-to-rail output.