Ad736jn true rms to dc converter analog devices ad736jnz p a low power precision monolithic true rms to dc converter ic that is laser trimmed to provide a maximum error of plusmn 0 3mv plusmn 0 3 of reading with sine wave inputs the ic maintains high accuracy while measuring a wide range of input waveforms including variable duty cycle pulses and triac phase controlled sine waves p p additionally it can compute the rms value of both ac and dc input voltage and operate ac couple