AD637 is a complete high-precision, single-chip rms-to-dc converter, which can calculate the true rms value of any complex waveform. The chip is available in DIP14 and SOIC16 packages, which can calculate the true effective value of various complex waveforms. Simple to use, convenient to adjust, short stabilization time and accurate readings. It provides unprecedented performance of integrated circuit rms-to-dc converters, with accuracy, bandwidth.