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DAC Board for Raspberry Pi PCM5122 I2S 32bit 384khz DSD128
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To make this module work with a Raspberry Pi, you need to use the RPI DAC overlay driver (Moode Audio, Volumio, piCorePlayer, RuneAudio).
DAC Board
For Raspberry Pi PCM5122 I2S 32bit 384kHz DSD128
This DAC module for Raspberry is based on the use of a PCM5122 digital to analog conversion chip, allowing it to support PCM streams up to 32bit 384kHz and DSD128. It benefits from a complete connectivity, with I2S LVDS (HDMI), Optical Toslink, stereo RCA, 3.5mm headphone output and a coaxial input/output combo. A small OLED display provides simple and instant access to information about the audio stream and a series of three control buttons allow to act on the playback. The module is easily mounted on a Raspberry Pi via the GPIO port.
| 1 | 220µF Capacitor |
| 2 | PCM5122 DAC |
| 3 | 2x 3.3V LDO |
| 4 | PCM9211 |
| 5 | CS8422 |
| 6 | RCA Output |
| 7 | Transformer for digital audio transmission |
| 8 | Coaxial input / output |
| 9 | OLED Screen |
| 10 | SiTime oscillator |
| 11 | Control buttons |
| 12 | AT24C02 EEPROM |
| 13 | Jack 3.5mm headphone output |
| 14 | I2S LVDS output |
| 15 | Differential driver |
| 16 | MCU 32bit |
| 17 | Optical Toslink output |
| 18 | Power supply 5V |
I2S Pinout
Connectivity
| Sortie | |||||||
| RCA | Jack 3.5mm | Coaxial | Optique | I2S | DSD | ||
| Entrée | I2S | ||||||
| Coaxial | |||||||
| DSD | |||||||
Technical characteristics
| Specifications | |
|---|---|
| Product type | DAC board for Raspberry Pi |
| Inputs | 1x GPIO 1x Coaxial (combined input/output) |
| Outputs | 1x Stereo RCA 1x Coaxial (combined input/output) 1x Jack 3.5mm headphone output 1x I2S LVDS (HDMI) 1x Optical Toslink |
| DAC Chip | PCM51222 |
| Supported sampling rates | RCA / Jack 3.5mm : PCM up to 32bit 384kHz Coaxial / Optical : PCM up to 32bit 384kHz, DSD DoP64 I2S : PCM up to 32bit 384kHz, Native DSD up to DSD128, DSD DoP up to DoP128 |
| Frequency response | 20Hz - 20kHz |
| Output level (RCA / Jack 3.5mm) | 2Vrms |
| SNR (RCA / Jack 3.5mm) | 120dB |
| Compatibility | Raspberry Pi 2B / 3B / 3B+ / 4B |
| General | |
|---|---|
| Supply voltage | 5VDC 300mA via GPIO or Jack DC |
| Dimensions | 56 x 65mm |
| Input | GPIO |
| Input | SPDIF |
| Output | Optical Toslink |
| Output | I2S LVDS via HDMI |
| Output | Coaxial SPDIF |
| Output | RCA |
| Output | Jack 3.5mm |
| DAC / ADC Chip | PCM5122 |
| Max sampling rate | 384kHz |
| Max sampling rate | DSD128 |
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