Consider the current source in Figure. The circuit needs to be designed to have a current of 250 uA at the output with a minimum output voltage of 2.5 V. Calculate the required values of Iref and R. Consider the following data: V(+-)=3 V, Vt=-0.6 V, Kp=250 uA/V², L=0.8 um and W=20 um. IREF R 42 la l -V

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Q: Schematic diagram: IC diagram: +5V GND

A: please find the solution in  below image

Operational Amplifier

An operational amplifier also called op amp is an integrated circuit or analog circuit that takes input as a differential voltage and produces output as a single-ended voltage. It is an IC that can amplify weak electric signals.An op amp has one output pin and two input pins. The basic role of an opamp is to amplify the voltage difference between the two input voltages. It is also used in filtering or to perform mathematical operations or in signal conditioning.