Bob Schell Yannis P. Tsividis A Clockless ADC/DSP/DAC System with Activity-Dependent Power Dissipation and No Aliasing. 550-551 2008 ISSCC https://doi.org/10.1109/ISSCC.2008.4523301 conf/isscc/2008 db/conf/isscc/isscc2008.html#SchellT08