[by Mr ChuckB] Low frequency Noise of Zero Drift Amplifiers (@eevblog)

reference to this forum thread
http://www.eevblog.com/forum/metrology/low-frequency-noise-of-zero-drift-amplifiers/

the summary/combined view of the ALAVAR plots of the 8 op amps tested by Mr ChuckB

OPA188
OPA189
OPA277
ADA4622
ADA4625
ADA4522
ADA4528
LTZ2057
LTC2058
the scales have been resized