Zlo od naponske reference! Jes malo skuplji, ali ipak respekt:
LTZ1000A
https://www.google.rs/url?sa=t&rct=j&q=&...nw1WB36_VQ
INA128 - excelent CMRR
LM4562 - excelent open loop gain
MC33272, MC33274 - vrlo superiorna zamena za single supply op-amps poput LM358, LM324
TLC27L9 - ekstremna ulazna impendansa
LTZ1000A
https://www.google.rs/url?sa=t&rct=j&q=&...nw1WB36_VQ
INA128 - excelent CMRR
LM4562 - excelent open loop gain
MC33272, MC33274 - vrlo superiorna zamena za single supply op-amps poput LM358, LM324
TLC27L9 - ekstremna ulazna impendansa