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DATASHEET DAC2 PRO
XLR
OVERVIEW
The HiFiBerry DAC2 Pro XLR is a high-resolution digital-to-analog and analogto-digital converter for the Raspberry Pi (newer models with 40 pin GPIO
connector). This is a special so und card for the Raspberry Pi, o ptimised fo r one
specific use case: affordable high-quality audio playback.
FACTS
Stereo output
can be equipped with an additional Digital Signal Processor (DSP) fo r
flexible audio processing
Dedicated 1 92kHz/24bit high-quality Burr-Brown DAC
Hardware volume contro l for DAC. You can control the input and output
parameters using “alsamixer” or any application that suppo rts ALSA
mixer controls.
Connects directly to the Raspberry P i, no additional cables needed
No soldering, comes as a pre-fabricated kit. You just plug it onto the
Raspberry Pi, it is co nform to the Raspberry Pi hardware-attached-o ntop (HAT) specificatio n.
Compatible with all Raspberry Pi models with a 40-pin GPIO co nnector
Directly powered from the Raspberry Pi, no additional power supply
Two ultra-low-noise linear voltage regulators for o ptimal audio
performance
Low -jitter dual-domain clock for optimised clo ck decoupling from the
Raspberry Pi
HAT compliant, EEPROM for automatic co nfiguratio n
Gold plated RCA output connectors
Comes with all components required to mount it. We include 4
M2.5x1 2mm spacers to fix the board onto the Raspberry Pi
HARDWARE
P RO DU C TS AP P L IC AT IO NS D OC U M EN TATI O N SH OP C O MP AN Y AC C OU N T
1 Burr-B rown DA C
2 Low-jitt er clock circui t
CONNECTORS
1 Balan ced lin e outpu t
2 DSP expan sion h eader (comp atible w ith DSP add-on b oard)
SPECIFICATIONS
Maximum outpu t voltag e 4.2V rms
DAC s ignal-t o-noise ratio 112d b typical
DAC T HD+N -93db typical
Frequ ency resp onse 10Hz-70kHz -3dB
Power con sumpt ion <0.3W
Sample rat es 44.1-192kHz
CONFIGURATION
Overlay fo r config.txt:
dtoverlay=hifiberry-d acplus
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LA ST UP DATED: JU NE 9 , 2021
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