Area-Efficient Analog Operations by Dynamicly-Reconfigured Switched-Capacitor Circuits

Together with software on a micro-controller, simple additional hardware can implement electronics with less cost and power. Though analog before digitization, in particular, is effective, it comes with a drawback of larger circuit area. This paper proposes a scheme to shrink area by devising clock waveforms of switched-capacitor devices, through dynamic circuit restructuring. Application to a D/A converter using weighted adder is presented.