May 30, 2010 #1 D dtran11 Newbie level 2 Joined Nov 5, 2009 Messages 2 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Location usa Activity points 1,290 This might be a stupid question but is it possible to generate a -5v supply from a op amp supplied with 5v for V+ and 0v for V-? Thanks.
This might be a stupid question but is it possible to generate a -5v supply from a op amp supplied with 5v for V+ and 0v for V-? Thanks.
May 30, 2010 #2 keith1200rs Super Moderator Staff member Joined Oct 9, 2009 Messages 10,865 Helped 2,065 Reputation 4,130 Reaction score 1,596 Trophy points 1,403 Location Yorkshire, UK Activity points 57,270 Inverting op amp You cannot generate -5V from an opamp if it doesn't have a power supply which includes -5V or lower. You can generate -5V from +5V using a switching regulator, or capacitive voltage inverter. Keith
Inverting op amp You cannot generate -5V from an opamp if it doesn't have a power supply which includes -5V or lower. You can generate -5V from +5V using a switching regulator, or capacitive voltage inverter. Keith
May 30, 2010 #3 D dtran11 Newbie level 2 Joined Nov 5, 2009 Messages 2 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Location usa Activity points 1,290 Re: Inverting op amp Thanks for your answer. I will try your suggestions. Thanks again.