LT6018 36V, Ultralow Noise, Precision Op Amps Analog Devices Inc. LT6018 36V, Ultralow Noise, Precision Op Amps offer excellent noise performance for applications sensitive to low-frequency noise. The LT6018 is an ideal solution for applications where 1/f noise impacts system performance. An optimized minimum CMRR of 124dB is provided by the input offset voltage remaining low over the entire common-mode input range.