TI has 259 rail-to-rail opamps: https://www.ti.com/amplifier-circui...pose/products.html#p1261max=32;48&~p78=In;Out
Just saying... 😉
Another consideration: You may want to run all the opamps from the same power supply. That will limit the issues you have once your stack of 9 V batteries (which I'm assuming you're using) discharges. Currently the batteries will discharge at different rates, which could give you some rather 'interesting' behaviour.
Tom
Just saying... 😉
Another consideration: You may want to run all the opamps from the same power supply. That will limit the issues you have once your stack of 9 V batteries (which I'm assuming you're using) discharges. Currently the batteries will discharge at different rates, which could give you some rather 'interesting' behaviour.
Tom
Last edited: