Hi all,
I cannot see any reference to input impedance on this datasheet. I'd have thought it was a key parameter!
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Datasheet help
Dec 01, 2024
Last reply: 1 year ago
4 Replies
(The link shows the LM124/LM324 datasheet. You could have told us up front.)
Not really.
If it's important to you, choose one that has that spec.
Jeroen Belleman
The data sheet is from 1995, so whatever you can buy now will be slightly different. You do get the input bias current and input offset current, so you can derive something useful from that.
The TI data sheet gives more information for the LM324B:
ZID Differential 10MΩ || 0.1pF ZICM Common-mode 4GΩ || 1.5p
John
The 324B is a somewhat different part.
Cheers
Phil Hobbs
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