Overview
I²S audio codec HAT for Raspberry Pi, designed for real-time guitar effects processing in the Open Pedalboard system.
Audio Specs
| ADC (PCM1863) | DAC (PCM5242) | |
|---|---|---|
| Resolution | 24-bit | 32-bit |
| Sample rate | up to 192 kHz | up to 384 kHz |
| SNR | 106 dB | 112 dB |
| THD+N | -93 dB | -93 dB |
Features
- Stereo differential ADC input (guitar) + stereo DAC output (amp)
- TI Burr-Brown PCM1863 (ADC) and PCM5242 (DAC)
- I²S interface to Raspberry Pi GPIO header
- Low-latency audio path for real-time effects
- Raspberry Pi HAT form factor
- Dedicated low-noise LDO regulators for analog supply
Related
- Main Board — carrier board and MIDI controller
- Display Board — LED rings and OLED displays