Table 2.

LC-ADC state of the art

References	[39]	[37]	[36]	[33]	[20]	[35]	[40]
Resolution, $M$, from low to high (bits)	5	5	5	6	8	8	–
Type	Floating window	Fixed window	Fixed window	Fixed window	Floating window	Fixed window and variable resolution	Fixed window
Reference counter frequency $F_{\text{C}}$ (MHz)	0.001	–	50	0.01–5	–	10	–
CMOS technology	130 nm, 0.3 V	130 nm, 1 V	500 nm, 3.3 V	180 nm, 0.8 V	180 nm, 1.25 V	130 nm, 0.8 V	180 nm, 0.55–1 V
Power consumption (µW) @ sinewave input frequency	0.22 @ 50 Hz	0.31 @ 2.6 kHz	106 @ 1 kHz	0.313–0.582@ 110 Hz-1.65 kHz	2.42 @ 1 kHz	7.4 @ 10 kHz	0.0024–0.541 @1 Hz-1 kHz
Area (mm2)	0.36	0.02	0.06	0.045	0.6	1.69	0.0144
$\text{ENOB}$ (bits)	4.4	5.39	5.9	6.35–7.84	7.43	7.51–8.67	6.45–7.96