2 layers240 × 194 mm

Infinitas
freeDSP/freeDSP-INFINITAS
USB Audio Class 2 compliant audio interface with up to 32 input and up to 32 output channels and optional ADAU1452 DSP.
1,020 parts35
Boards in 2 GitHub repositories, designed in KiCad, that use the PCA9545APW by NXP Semiconductors (2.3V~5.5V I2C、SMBus TSSOP-20 Interface - Specialized ROHS). See how each wires it, with its parts, size, README and files; the PCA9545APW’s symbol, footprint and pinout are on its own page.