Let's (gasp) let the spec sheet tell us:How to select voltage supply value for LM324 op-amp? what is the relation between output voltage of op-amp and the supply voltage? I am doing a schematic that has supplied 12V to the op-amp, but i want to use 5V, what will be the difference?
Also can i connect the ground of the 5V chip IC and ground of 12V supply to the same ground? making sure here
thanks
i am actually not amplifying the input but integrating. for this circuit how do i create the DC offset? or DC bias it is called i have come to know.Hi,
You circuit shows an integrater OPAMP circuit, where the DC offset is not defined. It may be anywhere.
On a real circuit you may find that the output either drifts to (and saturates at) the positive rail or the negative rail.
You need to stabilize your DC operating point.
Klaus
how do i create the DC offset?
(Now I can´t read your device values in the picture for the integrating Ci and Ri)
Use th same value as Ri and connect it from -IN to VCC.
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