Yahoo Groups archive

AVR-Chat

Index last updated: 2026-04-28 22:41 UTC

Thread

Re: Negative bias supply for signal conditioning op-amp

Re: Negative bias supply for signal conditioning op-amp

2005-04-01 by Don Kinzer

--- In AVR-Chat@yahoogroups.com, "Chuck Hackett" <egroupscdh@W...> wrote:
> In the short term (this weekend) I need to stick with the 741
> which I have on hand but can someone recommend an inexpensive
> "rail to rail" op-amp that would be better for my final
> configuration which would eliminate the need for the second supply?

I have used the LM358 (see also LM158, LM258, LM2904) in some
applications.  It can operate single- or dual-supply.  As to whether
it would be better for your final configuration, only you can
determine that since you know your requirements.

Another Yahoo group that is helpful for general electronics is
Electronics_101.

http://groups.yahoo.com/group/Electronics_101

Don

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.