DAC & Headphone Amplifier
About the DAC & Headphone Amplifier PCB
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 100 × 80 mm, with 147 components from 53 distinct parts.
Other key parts include the BD9G101G, LT3088, PCM2706CPJTR, TLV1117LV-33 and PCM5102A. By type, the board carries 60 resistors, 43 capacitors, 13 transistors, 9 diodes, 6 ICs and 6 connectors.
It belongs with the audio and power & battery designs in this gallery.
Main components on the DAC & Headphone Amplifier
DAC & Headphone Amplifier bill of materials (BOM)
147 components, 53 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | BD9G101G | SOT-23-6_Handsoldering | U1 |
| 1 | LT3088 | TO-263-3_TabPin2 | U2 |
| 1 | PCM2706CPJTR | TQFP-32_7x7mm_P0.8mm | U3 |
| 1 | TLV1117LV-33 | SOT-223-3_TabPin2 | U4 |
| 1 | PCM5102A | TSSOP-20_4.4x6.5mm_P0.65mm | U5 |
| 1 | LM555xN | DIP-8_W7.62mm | U6 |
| 5 | BCM56DS | SC-74-6_1.5x2.9mm_P0.95mm | Q1, Q5, Q6, Q7, Q12 |
| 4 | BCM53DS | SC-74-6_1.5x2.9mm_P0.95mm | Q2, Q3, Q4, Q13 |
| 4 | 2SC4511 | TO-220F-3_Vertical | Q8, Q9, Q10, Q11 |
| 1 | 12MHz±0.05% | Resonator_Murata | Y1 |
| 1 | USB_C_Receptacle_USB2.0 | BarrelJack_CUI_PJ-063AH_Horizontal | J1 |
| 1 | Barrel_Jack_Switch | Audio_Jack_SJ-6307 | J2 |
| 1 | Conn_01x04 | PinSocket_1x04_P2.54mm_Horizontal | J3 |
| 1 | USB_C_Receptacle_USB2.0 | USB_C_Receptacle_GCT_USB4085 | J4 |
| 1 | AudioJack3_Switch | Audio_Jack_SJ-6307 | J5 |
| 1 | AudioJack3_Switch | PinSocket_1x04_P2.54mm_Horizontal | J6 |
| 1 | 500mA | Fuse_0805_2012Metric_Pad1.15x1.40mm_HandSolder | F1 |
| 4 | Heatsink | Heatsink_Boyd_507302B00000G | HS1, HS2, HS3, HS4 |
| 1 | Ground_Jumper | SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm | JP1 |
| 1 | DPDT_Relay | Relay_DPDT_FRT5 | K2 |
Show 33 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 10k | RK09L12B | RV1 |
| 2 | QUAD_TVS_5V | SOT-665 | D1, D9 |
| 2 | DUAL_TVS_15V | SOT-23 | D2, D7 |
| 2 | D | SOT-23-3 | D4, D5 |
| 1 | D | D_SOD-323_HandSoldering | D6 |
| 2 | ~ | SOT-23-3 | D10, D11 |
| 1 | 6u8 | L_1008_2520Metric_Pad1.43x2.20mm_HandSolder | L1 |
| 11 | 100n | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C1, C7, C9, C10, C14, C15, C18, C21 +3 |
| 14 | 10u | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C2, C5, C6, C8, C12, C13, C16, C19 +6 |
| 5 | 15n | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C3, C4, C25, C30, C31 |
| 1 | 470u | CP_Radial_D13.0mm_P5.00mm | C11 |
| 4 | 2u2 | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C17, C20, C26, C46 |
| 1 | 1n | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C27 |
| 1 | 4u7 | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C33 |
| 1 | 4u7 | C_Rect_L7.2mm_W7.2mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C34 |
| 1 | 10u | C_Rect_L7.2mm_W7.2mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C36 |
| 2 | 470u | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C39, C40 |
| 2 | 10u | CP_Radial_D13.0mm_P5.00mm | C41, C42 |
| 2 | 5k1 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R1, R2 |
| 5 | 1k5 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R3, R7, R30, R39, R41 |
| 2 | 22 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R4, R5 |
| 2 | 430k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R6, R10 |
| 3 | 1M | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R8, R9, R32 |
| 1 | 3k9 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R11 |
| 3 | 680 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R12, R24, R31 |
| 13 | 22k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R13, R16, R19, R22, R33, R34, R37, R38 +5 |
| 6 | 100k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R14, R15, R20, R53, R54, R62 |
| 5 | 15 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R17, R18, R26, R51, R52 |
| 4 | 10k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R21, R44, R46, R63 |
| 4 | 2k2 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R23, R47, R48, R65 |
| 4 | 8R2 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R28, R29, R49, R50 |
| 4 | 4k3 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R35, R36, R40, R42 |
| 2 | 47k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R58, R59 |
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.
DAC & Headphone Amplifier: common questions
How big is the DAC & Headphone Amplifier PCB?
The DAC & Headphone Amplifier measures 100 × 80 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the DAC & Headphone Amplifier?
147 components, from 53 distinct parts. The full bill of materials is listed on this page.
Where can I download the 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 DAC & Headphone Amplifier design in my own project?
Yes, under the terms of its MIT license, which jonaheinke chose for the repository.
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