8 open source boards using the OPA1612AXD
Real designs built with the OPA1612AXD, from public GitHub projects: a quick way to see how others power, decouple and connect it. Each board comes with its KiCad files, full parts list and a render — and you can simulate its firmware on HardLabs.
Headphone-DAC-AMP
ddabidov
56 × 96.9 mm167 parts4LNo license3
RP2040/RP2350Intro to-CAD-2026
frohro
100 × 100 mm316 parts4LNo license1
ESP32High-Performance-DAC-system
saketharjun12-boop
226.7 × 138.9 mm173 parts4LNo license1
Logic probe
sjm42
95 × 55 mm99 parts2LApache-2.00
FPGAAmplifierHat
RasmusStagsted
150 × 75 mm179 parts4LNo license3
RP2040/RP2350Frohne
100 × 100 mm215 parts4LNo license1
Riaa preamp
95.6 × 55.6 mm74 parts4LApache-2.00
Maxx io
101.6 × 61 mm44 parts2LApache-2.00
The OPA1612AXD in open source designs
The gallery holds 8 open source boards using the OPA1612AXD from 5 GitHub repositories; a typical one measures about 100 × 86 mm and carries around 170 components.
75% use four copper layers or more, and 38% carry an open source license.
The most starred is AmplifierHat by RasmusStagsted.
Parts used alongside the OPA1612AXD
Microcontrollers on boards using the OPA1612AXD
What boards using the OPA1612AXD are built for
OPA1612AXD: common questions
Where can I find a OPA1612AXD reference design?
Each of the 8 boards on this page is a real design using the OPA1612AXD. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
Which microcontrollers do boards using the OPA1612AXD use?
Most are built on RP2040/RP2350 (2), ESP32 (1) and FPGA (1).
How big is a typical board using the OPA1612AXD?
The median is 100 × 86 mm, and 25% are two-layer designs.
What is the most popular open source board using the OPA1612AXD?
By GitHub stars, AmplifierHat by RasmusStagsted, with 3 stars.
Can I simulate one of these boards using the OPA1612AXD before building it?
Yes. HardLabs turns a board's netlist and BOM into a working simulation, so you can boot and test firmware against it with no hardware on your desk.