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Op Amp Buffer

@cannellajs2
8 years ago
https://everycircuit.com/circuit/4559298570223616
Used for stepping down analog voltage from 14V to the range used by an 3.3V ADC. Ive modeled two ADC's here for demo purposes (10k Resistor and 14pF cap), but based on the results I'm not seeing why I need the Op Amp. Heard people mention higher impedance on voltage dividers, but this doesn't drain a lot of current and both produce about the same result.
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