Architecture Characteristics and Technical Trends of UHF RFID Temperature Sensor Chip

Table 1

Comparison of TS.

Work/ Architecture	Power Consumption; (μW)	Chip Area (mm^2)	Work; voltage; (V)	Temperature; Range/error; (°C)	Accuracy; (°C)
[6]TDC	0.119	0.0416	0.50~1.00	-10~30/-0.80~1.00	- -
[8]TDC	0.112	0.0125	0.50	-10~20/-0.10~0.30	0.049
[14]TDC	0.68	- -	0.60~1.00	-20~30/-0.80~0.80	- -
[24]TDC	0.90	0.20	- -	+27~47/-1.00~1.00	- -
[25]TDC	0.35	0.14	1.00	-30~60/-1.50~1.50	0.30
[26]TDC	- -	- -	1.80	-10~100/- -	0.50
[27]TDC	0.10	- -	1.50	-20~80/- -	0.403
[1]ADC	31.5	- -	1.80	-37~91/-0.10~0.43	- -
[17]ADC	7.4	0.12	1.60~2.00	-30~125/-0.20~0.20	- -
[18]ADC	- -	0.08	1.50~2.00	-55~125/-0.15~0.15	0.25
[28]ADC	13.20	1.44	1.20	-20~50/-1.00~0.80	0.02
[29]ADC	- -	- -	1.80	-20~120/-0.65~0.65	- -
[9]FDC	0.60	0.731	1.00	-40~85/-1.50~1.50	0.50
[20]FDC	0.22	0.05	1.00	0~100/-1.60~3.00	0.30
[22]FDC	- -	0.008	1.00	0~110/-1.50~1.50	0.18
[30]FDC	0.125	0.062	0.50	-40~80/-0.70~1.20	- -
[31]FDC	0.095	0.04	- -	+8~85/- -	0.40
[32]FDC	0.20	0.585	1.50	-75~125/- -	0.45