The TP2122-VR is a low power Operational Amplifier (OpAmp) CMOS, manufactured by 3PEAK, in an 8-pin MSOP package. It has a wide range of power supply from 1.8V to 6V and has a max bandwidth of 18kHz with a typical slew rate of 0.01 V/us. It is compliant with RoHS, and is suitable for a variety of applications, such as audio amplifiers, active filters, zero-crossover detectors, timers, and peak detectors.