GRULICH DESIGN


R&D Lab.




32-bit DAC High Performance Audio modules:




RaspiDAC Rev.1

Basic audio module with high quality 32-bit DAC, low-noise 25mW headphone amplifier with THD+N < 0.01% @ 25mW and RCA (Cinch) line output with 2.1Vrms, Dynamic Range 112dB, SNR 112dB and THD+N -93dB.




RaspiDAC Rev.2

Audio module with 32-bit DAC, low-noise 142mW headphone amplifier with THD+N < 0.007% @ 35mW and RCA (Cinch) line output with 2.1Vrms, Dynamic Range 112dB, SNR 112dB and THD+N -93dB, software parameter setup via I2C bus, IR-Remote receiver and HAT configuration memory. Compatible with both, hifiberry and iqaudio drivers PnP supported by the kernel.




RaspiDAC Rev.3

Audio module with 32-bit DAC, low-noise Hi-Fi 130mW headphone amplifier with THD+N < 0.005% @ 35mW and independent volume control, RCA (Cinch) line output with 2.1Vrms, Dynamic Range 112dB, SNR 112dB and THD+N -93dB, advanced software parameter setup via I2C bus, IR-Remote receiver and HAT configuration memory. Supported by the raspidac3 driver with HAT autoconfig and PnP suppor by the kernel.

User files for RaspiDAC Rev.3



All modules are designed and manufactured in Czech Republic, EU



GSM: +420-603735106 E-mail: jan@grulich.eu, Dolni Becva 149, 756 55, Czech Republic, EU