Alternative to AD623

wbadry on Nov 2, 2018

Hello,

I tried several models for my design (put under NDA). Best result was with AD623. However, I wonder if there is an instrumentation amplifier with the same architecture as AD623 is available with less noise.

What I believe to be needed is not normal instrumentation amplifier as even AD8229 and AD620 were unable to capture the signal like AD623.

Your help is highly appreciated. Thanks

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0 Emman.A

on Nov 5, 2018 2:41 AM
Hi Wbadry,

The next generation of this part is the AD8223. I would like you also to check out the AD8422 which is a high performance, low power, rail to rail amplifier. It has better overall specs than the AD623 and AD8223..

I hope this helps.

Best regards,

Emman
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0 Emman.A

on Nov 5, 2018 2:41 AM
Hi Wbadry,

The next generation of this part is the AD8223. I would like you also to check out the AD8422 which is a high performance, low power, rail to rail amplifier. It has better overall specs than the AD623 and AD8223..

I hope this helps.

Best regards,

Emman
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0 wbadry on Nov 9, 2018 2:28 PM in reply to Emman.A

Thanks Emman for your response. I tried AD8422 upon recommendation but unfortunately it showed more oscillations when an impulse is applied unlike AD623. Kindly keep this post opened as I ordered AD8223 to evaluate. I will give you my feedback upon testing it in few days. Thanks again for your prompt response.
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