Consider the circuit shown in the figure below. The transistor parameters are:
VTN = 2.5 V
\({K_n} = \frac{{W{\mu _n}{C_{ox}}}}{{2L}} = 0.25\;A/{V^2}\)
The op-amp is ideal and the transistor is operating in the saturation region.
What will be the minimum voltage VDD so that MOSFET remains in saturation?1
2 V
2
3 V
3
2.5 V
4
4.5 V