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HIFIBERRY DAC2 ADC PRO DAC PCM5122 / ADC PCM1863 Module for Raspberry Pi
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Accessories for this product
Find here a selection of useful and/or essential accessories for this product. These are specially selected by the Audiophonics team according to the characteristics of the product.
HiFiBerry DAC2 ADC Pro Module DAC PCM5122/ADC PCM1863 for Raspberry Pi Burr Brown 24bit 192kHz
The HiFiBerry DAC2 ADC Pro is a DAC/ADC module for digital-to-analog and analog-to-digital conversion specially designed for use with a Raspberry Pi (A+, B+, 2B, 3B, 3B+, 4B+, Zero, 5). This sound card therefore features both analog and digital inputs, offering a wide range of uses, whether for recording or audio playback.
The module is based on two Burr Brown chips, a PCM5122 DAC chip and a PCM1863 ADC chip, enabling it to support PCM streams up to 32bit 192kHz. An optimized clock circuit completes the package, reducing jitter. The HiFiBerry DAC2 ADC Pro is also compatible with the HiFiBerry DSP add-on and Alsa Mixer for volume control.
Signal input is via 40-pin GPIO (digital) or 3.5mm jack/PCB connector (analog), while output is via RCA or PCB connector. The module is powered by the 40-pin GPIO, and therefore by the Raspberry Pi, and a PCB connector enables an additional 5V supply to be taken from the Raspberry Pi.
Key features:
- Stereo input and output
- Dedicated 192kHz/24bit high quality Burr-Brown DAC
- Dedicated 192kHz/24bit high quality Burr-Brown ADC
- Hardware volume control for DAC and ADC. Input and output parameters can be controlled using “alsamixer” or any application supporting ALSA mixer controls.
- Supports HiFiBerry DSP module (sold separately).
- Connects directly to the Raspberry Pi, without the need for an additional cable.
- No soldering required, just connect to a Raspberry Pi. HAT-compliant.
- Compatible with any Raspberry Pi with a 40-pin GPIO.
- Three ultra-low-noise linear voltage regulators for optimum audio performance.
- Low jitter clock for optimized clock signal.
- Microphone bias voltage for use with electret microphones.
- No anti-aliasing filter on the input circuit to offer the best recording bandwidth.
- Complies with HAT format. EEPROM for automatic configuration.
- Gold-plated RCA output connectors.
- Supplied with spacers and screws for RPI mounting.
HiFiBerry DAC2 ADC Pro overview
| 1 | 40-Pin GPIO |
| 2 | PCB connector +/-5V |
| 3 | Microphone bias jumper* |
| 4 | Balanced/unbalanced analog input on PCB connector (J4) |
| 5 | 3.5mm jack analog input |
| 6 | Stereo RCA output |
| 7 | Analog output on PCB connector (J5) |
| 8 | PCB connector for DSP |
*You need to close both jumpers to provide a bias current suitable for a microphone.
HiFiBerry DAC2 ADC Pro: focus on input and output on PCB connectors
| 4 : Balanced/unbalanced analog input on PCB connector (J4) | |||
|---|---|---|---|
| In R- | 1 | 2 | In R+ |
| GND | 3 | 4 | GND |
| In L+ | 5 | 6 | In L- |
| 7 : Analog output on PCB connector (J5) | |||
|---|---|---|---|
| +5V | 1 | 2 | R |
| GND | 3 | 4 | GND |
| +5V | 5 | 6 | L |
Technical characteristics
| Specifications | |
|---|---|
| Product type | DAC/ADC module |
| DAC/ADC chips | DAC PCM5122 ADC PCM1863 |
| Inputs | 1x 40-pin GPIO 1x 3.5mm jack 1x Balanced/unbalanced analog input on PCB connector |
| Outputs | 1x Stereo RCA output 1x Analog output on PCB connector |
| Compatibility | Raspberry Pi A+, B+, 2B, 3B, 3B+, 4B+, Zero, 5 |
| Max. input voltage | Unbalanced: 2.1Vrms Balanced: 4.2Vrms |
| Max. output voltage | 2.1Vrms |
| SNR | DAC : 110dB ADC : 112dB |
| THD+N | DAC : -93dB ADC : -90dB |
| Frequency response | 10Hz-70kHz (-3dB) |
| Input gain | -12db to 32dB |
| Supported sample rates | PCM 24bit 192kHz |
| General | |
|---|---|
| Power supply | Via Raspberry Pi |
| Power consumption | < 0.3W |
| Dimensions | 5.5 x 6.5 x 1cm |
| Weight | 30g |
| Package | 1x HiFiBerry DAC2 ADC Pro DAC/ADC module |
| Input | GPIO |
| Input | Jack 3.5mm |
| Input | PCB Connector |
| Output | PCB Connector |
| Output | RCA |
| DAC / ADC Chip | PCM1863 |
| DAC / ADC Chip | PCM5122 |
| Max sampling rate | 192kHz |
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