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Alternative purpose: at present, My client want to upgrade the geomagnetic sensor of VSP 200, so he chooses to use lf357m，but he finds that it is discontinued. So he wants to find a substitute material to replace it or find an upgrade of this material, Thanks!!!
I'm only guessing at the key parameters; bandwidth, slew rate, noise supply voltage. So below are my two two picks.
LM4562 has great specs at a really low price, but the data sheet make it look like an audio only op amp. However, it doesn't have to be used for audio.
OPA1611 is another great op map that give more details for non audio performance.
