Open loop gain measurements of NE5534 / NE5532 / LM318 from various manufacturers. PSU voltage +-15V, load 1kOhm, Cc=0pF, Cl=0pF.

NE5534N Philips (100kHz gain 57,05db):

SE5534AN ONsemiconductor (100kHz gain 50,97db):

NE5534P TI (100kHz gain 52,86db):

NE5534AP(old, 80s) TI (100kHz gain 54,43db):

NJM5534D JRC (100kHz gain 54,81db):

NE5534 Signetics (100kHz gain 57,17db):

TDA1034 (100kHz gain 56,64db):

NE5532P TI (100kHz gain 45,77db):

NJM5532D JRC (100kHz gain 48,98db):

NE5532 Signetics (100kHz gain 49,42db):

NE5532 HGSEMI (100kHz gain 49,8db):

LM318N National Semiconductor (100kHz gain 49,52db):

LM318D TI (100kHz gain 50,8db):

LT318A (100kHz gain 50,91db):

LM318H Raytheon (100kHz gain 52,37db):

Open loop output impedance:

• NE5534N Philips - 20.4ohm
• SE5534AN ONsemiconductor - 14.3ohm
• NE5534P TI - 17.7ohm
• NE5534AP TI (old, 80s) - 14.3ohm
• NJM5534D JRC - 19.4ohm
• NE5534 Signetics - 13ohm
• TDA1034 - 23ohm
• NE5532P TI - 20.4ohm
• NJM5532D JRC - 20.3ohm
• NE5532 Signetics - 27.6ohm
• NE5532 HGSEMI - 149ohm
• LM318N National Semiconductor - 52ohm
• LM318D TI - 60.5ohm
• LT318A - 56.9ohm
• LM318H Raytheon - 69.7ом

NE5534, structure and secrets of use.

CMRR measurements of NE5534 / NE5532 / LM318 from various manufacturers.

DC parameters of NE5534 from various manufacturers.

Accurate SPICE macromodels for some op amps.

"Directly or indirectly, all questions connected with this subject must come for decision to the ear, as the organ of hearing; and from it there can be no appeal" J.W.S. Rayleigh