winsonpku
Advanced Member level 4
bandgap design
Dear all:
I have to questions about bandgap design.
1. What's the effect if we choose too small Vdsat for mos transitor. for 3.3v power supply, how much the Vdsat is used in common?
2. For bipolar transistor, it's very difficuty to match them because the N is always too much, then we still need dummy transistor around them? If no dummy transistor, then how much "erro" will arise?
Thanks all!
Dear all:
I have to questions about bandgap design.
1. What's the effect if we choose too small Vdsat for mos transitor. for 3.3v power supply, how much the Vdsat is used in common?
2. For bipolar transistor, it's very difficuty to match them because the N is always too much, then we still need dummy transistor around them? If no dummy transistor, then how much "erro" will arise?
Thanks all!