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Question Dual or mono opa for I/V stage
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Dr. DAC  
#1 Posted : Thursday, March 2, 2017 7:37:08 AM(UTC)
Dr. DAC

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Joined: 2/1/2017(UTC)
Posts: 5
Germany
Hello there,

I have to create my own I/V stage because i need special out lines.
The stage ist for my buffalo-IIIse dac.
What is the reason that the most stages use a mono opa and not a dual opa in the first part of the circuit.
Can i use a dual opa (lm49720) and what are the consequences?

I hope anyone can enlighten me.


Best regards from germany!
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Brian Donegan  
#2 Posted : Monday, March 6, 2017 8:56:26 PM(UTC)
Brian Donegan

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Joined: 10/24/2006(UTC)
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The OPA1632 on the IVY is a fully differential opamp. It can not be replaced with a standard opamp.
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