A 1.8-V 6.9-mW 120-fps 50-Channel Capacitive Touch Readout With Current Conveyor AFE and Current-Driven $\Delta \Sigma $ ADC
A 10.1" 56-channel, 183 uW/electrode, 0.73 mm2/sensor high SNR 3D hover sensor based on enhanced signal refining and fine error calibrating techniques