Sadbutdru@sopuli.xyz 2 months ago
Someone more knowledgeable than me will likely join in soon, but depending on your application one op amp might be better than another because of
- 
higher slew rate (which affects max frequency) 
- 
higher unity gain bandwidth (if you need to amplify a wide range on frequencies) 
- 
better common mode rejection ratio (for working with small signals and electrically noisy environments) 
- 
lower input bias current (for low- power applications) 
- 
higher input/ lower output impedance (to not load sensitive instruments/ distort signals) 
And probably loads of other things… cost… thermal…
basketugly@lemmy.world 2 months ago
Thank you, perhaps it is the CMRR that I need to explore? Perhaps this explains the noise floor difference? Thank you.