Table 2: Comparison with former classifier circuits.

ParameterReference [2, 3]Reference [4]Reference [5]Reference [7]This work

Technology0.6 u0.35 u0.5 u0.35 u0.18 u
Supply voltage 2 𝑉 g s + 𝑉 d s (3.3 V) 2 𝑉 g s + 𝑉 d s 2 𝑉 g s + 𝑉 d s (3.3 V)±1.65 𝑉 g s + 2 𝑉 d s (0.9 V)
Power consumption15 mWExpected >10 mW16 mW0.66 mW<1 mW
Error1%Not ReportedNot ReportedNot Reported1%
Circuit complexity (transistor count)>250>50>300>200144
Body effectYesYesYesYesNo
Input current operation area1 Quad.1 Quad.1 Quad.1 Quad.2 Quad.