A Novel Pseudo-PMOS Integrated ISFET Device for Water Quality Monitoring

Table 3

Comparative analysis with existing devices.

Parameters	Op-Amp-ISFET [8]	CC-ISFET [9]	PP-ISFET
Technology	CMOS	CMOS	Pseudo-PMOS
Power supply	0 V–5 V	0 V–5 V	0 V–5 V
No. of MOSFETs	27	16	9
Capacitor	2	2	0
Current source	4	3	0
NMOS	17	10	8
PMOS	10	6	1
Resistor	5	5	0
Voltage source	4	2	1
Max power (W)	3.63𝑒−002	3.57𝑒−002	3.00𝑒−002
Min power (W)	2.13𝑒−005	0.13𝑒−005	0.00𝑒+000
Stability analysis	Closed loop; Stable	Closed loop; Stable	Closed loop; Stable