OPA2375 and OPA4375 THD + Noise is below 0.00015% (G = +1, VO = 1 VRMS, VCM = 1.8 V, VS = 5.5 V) throughout the audio frequency range, 20 Hz to 20 kHz, with a 10-kΩ load. The broadband noise of the 3.5 nV/√ Hz (OPA2375/4375) and 3.7 nV/√ Hz (OPA375) is ...