What is this type of op-amp circuit called and what is it good for? Boosting output power? It's a stereo headphone output in an audio module. : r/diyelectronics
operational amplifier - Single supply op amp with input attenuator - Electrical Engineering Stack Exchange
Amp up your cans: pop/click suppression in headphone amplifiers (Part 5) - Precision Hub - Archives - TI E2E support forums
Op Amp Headphone Amplifier
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Another buffered opamp headphone amplifier – (mis) Adventures in Hi-Fi