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Old 19th November 2008, 08:52 AM   #1
Gunders is offline Gunders  Norway
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Default Max voltage for single supply opamp

I have a simple question:

If I have an opamp intended for +-15 V and I want to use a single power supply rather than +- rails, what is the maximum voltage I can use? Is it 15 V or 30 V?
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Old 19th November 2008, 08:58 AM   #2
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30 V It's the voltage between V+ and V- Notice though common mode limits for the inputs. Some opamps can handle signals down to ground and some don't. Chck the parameter "common mode range" in the datasheet.
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Old 19th November 2008, 02:56 PM   #3
Gunders is offline Gunders  Norway
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Thank you
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