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Discrete instrumentation amplifer (comparable with AD8422)

Question asked by choongsoon@gmail.com on Nov 3, 2014
Latest reply on Dec 12, 2014 by ScottH

Hello

 

I am working on sensor read out circuit.

 

I want to make first version on the breadboard before I make PCB.

 

I am looking for discrete component instrumentation amplifier that has same capability as AD8422.

 

Does anyone can give me some options or how can I find them?

 

Or, if there is no discrete instrumentation amplifier,

 

Can you guys give me some op-amp options I can choose to build the circuit?

 

In that case I may need 3 op-amp for instrumentation amplifier and need low-pass filter and another gain stage.

 

I am kinda new for this, and do not know what amplifier I need to get proper output with breadboard level circuit.

 

thanks for your help.

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