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low noise audio amplifier ic

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deepak007

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hello

i want to build a circuit for nature listening. could some tell me some of the (latest) NEW low noise OP AMP IC'S ?
 

National Semiconductor makes the LM4562 dual opamp that has the lowest distortion and noise that I have ever seen:
Distortion= 0.00003%.
Noise= 2.7nV/root Hz.
 

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