Table 1.

Measured performances among time-domain works for easy comparison.

Sensor	Resolution (°C)	Range (°C)	Error (°C)	Power Consumption	Area (mm2)	CMOS Technology (μm)
This Work	0.05	0∼90	±0.6	30 μW@10 Hz	0.12	0.35
[5]	0.5	0∼75	±1.0	9 μW@20 Hz	0.4	0.35
[6]	0.09	0∼90	±0.3	36.7 μW@2 Hz	0.6	0.35
[7]	0.3	0∼100	−1.6∼3	0.22 μW@100 Hz	0.05	0.18
[8]	0.78	0∼100	±4 #	1.2 mW@5 kHz	0.12	0.13
[9]	0.133	0∼100	−0.7∼0.6 #	175 μW@1 kHz	NA	0.18/0.22

^#one-point calibration.