Looking at an op amp datasheet, how can one tell if it's usable with a single supply?
For example, http://www.national.com/ds/LM/LM1458.pdf
For example, http://www.national.com/ds/LM/LM1458.pdf
What do you mean by "operate them within the input common-mode limits"?All op amps can be used with a single supply if you operate them within the input common-mode and output voltage swing limits. (That's how you are using the LM1458.)
The datasheet for every opamp shows its input common-mode limits (useable input voltage range). They are the range of voltages that the inputs work properly.What do you mean by "operate them within the input common-mode limits"?
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