Sep 29, 2006 #1 A AOQ Newbie level 4 Joined Apr 17, 2006 Messages 7 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,333 Dear all : I am designing SAR ADC using attenuating capacitor, should the top plate of subDAC be discharged first ? thx.
Dear all : I am designing SAR ADC using attenuating capacitor, should the top plate of subDAC be discharged first ? thx.
Dec 2, 2006 #2 V venkyts Newbie level 1 Joined Dec 2, 2006 Messages 1 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,284 No you dont need to discharge it. There are many designs we had done and left that plate floating. All of them work. If you want to charge it , the load on thedriver is will be very high .
No you dont need to discharge it. There are many designs we had done and left that plate floating. All of them work. If you want to charge it , the load on thedriver is will be very high .