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Current sensing and amplification from low voltage battery.

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treez

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Hello,

I need to amplify the current from a 2V battery so that a 100mV current sense signal gives a 2V output.

How do i do this?

(opamps don't appear to work off 2V..... so do i need to put a boost in and give a 5V rail, and then use a diff amp to do the current sensing and amplification?
 

OP290 is a high performance micropower dual op amp that operates from a single supply of +1.6V to +36V
 
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