2 layers

Boards in 1 GitHub repository, designed in KiCad, that use the OPA551PA by Texas Instruments (-30V~-4V、4V~30V -40℃~+125℃ 1 100pA 102dB 14nV/√Hz@1kHz 15V/us 1mV 200mA 20pA 3MHz 7mA 7uV/℃ Built-in compensation PDIP-8 Operational Amplifier ROHS). See how each wires it, with its parts, size, README and files; the OPA551PA’s symbol, footprint and pinout are on its own page.
