A 5.6 nV/ $\surd $ Hz Chopper Operational Amplifier Achieving a 0.5 $\mu$ V Maximum Offset Over Rail-to-Rail Input Range With Adaptive Clock Boosting Technique
A 21 nV/$\surd$ Hz Chopper-Stabilized Multi-Path Current-Feedback Instrumentation Amplifier With 2 $\mu$ V Offset