Pimoroni
Pi-DAC PRO
Pi-DAC PRO, a new breed of audiophile DAC for the Raspberry Pi. With Phono (RCA), Heaphone (3.5mm) and support for Balanced / Differential output (for XLR...
Pi-DAC PRO, a new breed of audiophile DAC for the Raspberry Pi. With Phono (RCA), Heaphone (3.5mm) and support for Balanced / Differential output (for XLR use in Studio, or home studio), complete with PCB spacers and screws
The Pi-DAC PRO plugs directly on the Raspberry Pi A+/B+/2/3, there’s no need to solder or modify your Raspberry Pi and you can be enjoying Full HD audio in minutes.
Based around the Texas Instruments PCM5242 DAC, the big brother of the pcm5122. Featuring balanced output, better Signal to Noise Ratio and THD. With the Linux drivers built in to Raspbian no kernel recompilation is needed and the DAC PRO is supported by all the regular audio software, just like the Pi-DAC+.
The Pi-DAC PRO also includes the Pi-DAC headphone amplifier delivering an all in one Full HD audio experience for those who listen through headphones, volume is again hardware based under software control and shared with Line Out.
With Differential / Balanced output it allows connection to studio equipment or powered speakers over long cable runs. Now you can run your disco, radio station or home studio from a Raspberry Pi!
A fully HAT compliant Raspberry Pi expansion board with EEPROM support, the Pi-DAC PRO delivers Full HD audio from your Raspberry Pi. As the Pi-DAC PRO uses the same family of audio chipset as the Pi-DAC+ and full Linux device driver support is already built into the official Raspbian Linux distribution.
- Raspberry Pi HAT (A+/B+/2/3) compliant accessory
- Full-HD audio – up to 24-bit/192kHz playback
- Integrated hardware volume control (via ALSA)
- Built in High quality audio headphone amplifier (TI TPA6133A)
- Class leading audio; 114db SNR, and -94db THD
- Audiophile TI Burr Brown 32-bit/384kHz DAC (TI PCM5242)
- Advanced ESD protection
- Uses the digital I2S audio signals to reduce CPU load over USB audio solutions
- Raspberry Pi powered, no external power requirements
- Industry standard audio quality Phono/RCA connectors
- Balanced output exposed on PCB
- Build in mini DSP
- Fully built and tested Raspberry Pi accessory
- Designed and manufactured in the UK
Notes:
- The Balanced output is exposed via two 3pin no fit headers. You will have to provide these yourself.
- Although compatible with the Pi-AMP+, an additional 2x5 pin header must be soldered..
Jargon buster
Plain-language definitions for the technical terms used above.
- DAC
- A digital-to-analogue converter turns numbers from the microcontroller into a real analogue voltage. It matters if you want to generate simple waveforms, audio-style signals, or variable control voltages rather than just on/off outputs.
- EEPROM
- A type of non-volatile memory that keeps stored data even when power is turned off. In a sensor module, it can be used to store settings or calibration data so they do not need to be re-entered every time.
- ESD protection
- ESD protection helps protect electronics from damage caused by static electricity discharges. It is useful on development boards because cables, sensors and modules are often plugged and unplugged during prototyping.
- Headers
- Rows of metal pins used to plug a module into a breadboard or connect it with jumper wires. Pre-soldered headers make the module easier to use straight away without needing to solder the pins yourself.
- I2S
- I2S is a digital audio interface used to send sound data between chips, such as from a microcontroller to an audio amplifier or DAC. It matters if your project needs cleaner digital audio output than a basic buzzer or PWM signal can provide.
- PCB
- A printed circuit board is a rigid board with copper tracks that connect electronic parts without loose wires. For this kit, the PCBs also form the airplane shape, so they are both the circuit base and part of the finished model.
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