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Unipolar to Bipolar Voltage

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OvErFlO

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I have an unipolar DAC with a range from 0V to 3V, now I must connect this DAC with a operational amplifier but I need a bipolar OA output voltage (like from -15 to +15)... What can I use ???


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IanP

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Use an opamp with bipolar supply ..
Below you can see an example on how to convert one voltage to another; in this cas it is from 0-5 to 5-0, but with similar circuits you can produce any output range you may need ..

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IanP
 

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OvErFlO

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I need to commit the project, I can't change DAC or Others thinks.
I must use this unipolar DAC, do you have any idea ???

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