3 ms·
any suggestions to protect it? e.g. buffer with an op-amp, right? Any way to use diodes for static protection, etc.?
by diydsp 4y ago
any suggestions to protect it? e.g. buffer with an op-amp, right? Any way to use diodes for static protection, etc.?
- deleted 4y ago[deleted]
- satiric 4y agoOne common way to provide input overvoltage protection is through a pair of schottky diodes. This article is a good resource https://www.digikey.com/en/articles/protecting-inputs-in-digital-electronics https://www.digikey.com/en/articles/protecting-inputs-in-dig...
- buescher 4y agoThat's a pretty good article. Also, the classic one-volt-or-so voltage limiter is a pair of antiparallel silicon diodes. You can put them in series for a bigger limit.
- classichasclass 4y agoThere are some good practical solutions here ( https://www.lemon64.com/forum/viewtopic.php?t=55483&sid=2710b178e3140bce3ba678a35910f05b https://www.lemon64.com/forum/viewtopic.php?t=55483&sid=2710... ) but the most important thing is keep the voltages down. They suggest three volts max peak to peak, which seems prudent.