TABLE III.

Performance Comparision

Parameter	This work	Zamani [39]	Yan [40]	Kim [41]	AFE4300 [42]
Supply Voltage	3.3	1	1.8	0.5	3
Modulation	Square	Semi-ramp	Square	Pseudo-sine	Pseudo-sine
Injection Current	$<10\text{μA}$	$0.5-1\text{μA}$	$10-40\text{μA}$	$8.4\text{μA}$	NA
Injection frequency	NA	2 kHz	2 kHz	$20/50\text{Hz}$	$8/16/3264\text{Hz}$
Measurement Range	1 to $47\text{kΩ}$	0.1 to $3.3\text{kΩ}$	0.1 to $4.4\text{kΩ}$	NA	NA
Input-referred noise	$7.07\text{nV}/\sqrt{H}z$	$221.36\text{nV}/\sqrt{H}z$	$146.46\text{nV}/\sqrt{H}z$	$45\text{nV}/\sqrt{H}z$	$48\text{nV}/\sqrt{H}z$
Supply Current	$128\text{μA}$	$1.55\text{μA}$	$28\text{μA}$	$18.5\text{μA}$	$970\text{μA}$