Single rail opamp

Hi I want a balanced output using two opamps (for audio) using a single rail power supply +9v any ideas?

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Neil Bernard
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------------- Artificially split it using a driven "ground" in the middle.

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R. Steve Walz


I have used a TLE2426 for such a purpose. It gives you this ground in the middle. I had some problems though. The virtual ground wasn't perfect and I had some (barely visible) crosstalk between two different video signals, and I think it was due to unstable virtual ground. I guess that you wouldn't encounter the same problems as audio is slower and you will have the signal signal feeding both amps. It's worth a try. It's a cheap device.


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