A band-gap reference like that of Fig. 4.47 is designed to have nominally zero TC_Fat 25°C. Due to process variations, the saturation current I_Sof the transistors is actually twice the nominal value. Assume V_OS= 0. What is dV_OUT/dT at 25 °C? Neglect base currents.

Fig. 4.47:

Transcribed Image Text:

Vos R2 :R3 VOUT Q2