4 layers121 × 40 mm

PowerAmplifier
BlockWorker/ModularAudio
Compact, modular, versatile, hi-fi audio system concept.
156 parts2
Boards in 2 GitHub repositories, designed in KiCad, that use the TLV4387PW by Texas Instruments (-2.75V~-850mV、850mV~2.75V -40℃~+125℃ 1.7V~5.5V 10nV/℃ 130dB 15mA 2.8V/us 300pA 5.7MHz 570uA 5uV 700pA 8.5nV/√Hz@1kHz EMI filtering/RF suppression、Zero drift / auto-zero、Built-in compensation Four channels Rail-to-rail input TSSOP-14 Precision Op Amps ROHS). See how each wires it, with its parts, size, README and files; the TLV4387PW’s symbol, footprint and pinout are on its own page.

BlockWorker/ModularAudio
Compact, modular, versatile, hi-fi audio system concept.

atop8918/DigitalWaters_WD_prototype
Simplified Schematic for prototype release