MOS承受電壓的問題

wuwen

Again, below is based upon my first glance of the circuit.
$ v% {: n/ h+ `/ Z* @& p6 i2 r
# [# S$ L, j# Y! E, i& e7 R/ CThe PMOS on the left hand leg  is diode connected, hence, the operating points
of this circuit would be determined  by the tail current of the OPAMP.

" ~  M# h/ s  a3 |- N9 \7 G5 i; ?: eAgain, if you need to power down this circuit, high voltage protection would be challenging.