HardLabs

USB DAC & Headphone Amplifier

jonaheinke·dac·kicad/dac/dac.kicad_pcb

USB DAC & Headphone Amplifier PCB layout, top view — open source board by jonaheinke

About the USB DAC & Headphone Amplifier PCB

USB DAC & Headphone Amplifier is an open source PCB design by jonaheinke, published on GitHub under the MIT license. It is a 4-layer board measuring 88 × 99 mm, with 131 components from 35 distinct parts.

Other key parts include the CS4349. By type, the board carries 60 resistors, 33 capacitors, 20 transistors, 8 diodes, 1 IC and 1 connector.

It belongs with the audio and power & battery designs in this gallery.

Main components on the USB DAC & Headphone Amplifier

CS4349

USB DAC & Headphone Amplifier bill of materials (BOM)

131 components, 35 distinct parts.

QtyPartRefs
1
CS4349
U1
1
MMBT5551
Q1
9
BCM53DS
Q2, Q3, Q4, Q7, Q9, Q12, Q13, Q16 +1
6
BCM56DS
Q5, Q6, Q8, Q14, Q15, Q17
2
2SC4511
Q10, Q19
2
2SA1725
Q11, Q20
1
Conn_02x08_Odd_Even
J1
2
Heatsink
HS1, HS2
1
Relay
K1
1
10k
RV1
2
100
RV2, RV4
2
500
RV3, RV5
1
D
D1
7
~
D2, D3, D4, D5, D6, D7, D8
18
10u
C1, C2, C4, C11, C12, C13, C14, C15 +10
2
100n
C3, C10
2
470u
C5, C6
1
3u3
C7
4
3u3
C8, C9, C17, C26
4
20n
C16, C24, C25, C33
Show 15 more
QtyPartRefs
2
30p
C20, C29
1
47k
R1
4
10k
R2, R3, R11, R12
3
100k
R4, R5, R10
4
16
R6, R7, R36, R60
2
2
R8, R9
8
68
R13, R18, R20, R29, R37, R42, R44, R53
8
27k
R14, R15, R24, R26, R38, R39, R48, R50
10
430
R16, R17, R21, R22, R28, R40, R41, R45 +2
2
680
R19, R43
6
2k2
R23, R25, R27, R47, R49, R51
2
12
R30, R54
2
22
R31, R55
4
33
R32, R33, R56, R57
4
2
R34, R35, R58, R59

USB DAC & Headphone Amplifier design files

The KiCad project lives in the jonaheinke/dac repository on GitHub; these links point at the commit this page was built from.

USB DAC & Headphone Amplifier: common questions

How big is the USB DAC & Headphone Amplifier PCB?

The USB DAC & Headphone Amplifier measures 88 × 99 mm, has 4 copper layers and is 1.604 mm thick.

How many components are on the USB DAC & Headphone Amplifier?

131 components, from 35 distinct parts. The full bill of materials is listed on this page.

Where can I download the USB DAC & Headphone Amplifier design files?

From the jonaheinke/dac repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the USB DAC & Headphone Amplifier design in my own project?

Yes, under the terms of its MIT license, which jonaheinke chose for the repository.

More boards in dac

Similar boards