Audio test board
About the Audio test board
Audio test board is an open source PCB design by kaine119, published on GitHub under the CERN-OHL-P-2.0 license. It is a 2-layer board measuring 25.1 × 55.8 mm, with 32 components from 18 distinct parts.
Other key parts include the PCM5100A, TPA6139A2RGTR and TPA6211A1DGN. By type, the board carries 18 capacitors, 4 resistors, 3 ICs, 3 connectors, 3 jumpers and 1 speaker.
It belongs with the audio designs in this gallery.
From the project
poc pcbs for artsfest thing
audio-test-board consist of an I2S DAC, connected to a headphone and speaker amp.
DAC: Texas Instruments PCM5100A I2S DAC. This feeds both the headphone and the speaker amp Headphone amp: TI TPA6139A2RGTR, Speaker amp: TI TPA6211A1DGN * Headphone jack: generic 3.5mm TRRS jack with normally-closed contacts on Tip and R1
touch-test-board breaks out an Infineon CY8CMBR3116 16-way capacitive touch sensing controller into a I2C interface, and 16 touch pads. Manufacture with ENIG for best results =)
Main components on the Audio test board
Audio test board bill of materials (BOM)
32 components, 18 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | PCM5100A | TSSOP-20_4.4x6.5mm_P0.65mm | U1 |
| 1 | TPA6139A2RGTR | VQFN-16-1EP_3x3mm_P0.5mm_EP1.68x1.68mm | U2 |
| 1 | TPA6211A1DGN | HVSSOP-8-1EP_3x3mm_P0.65mm_EP1.57x1.89mm | U3 |
| 1 | Conn_01x08 | PinHeader_1x08_P2.54mm_Vertical | J1 |
| 1 | AudioJack4_SwitchTR1 | Jack_3.5mm_XKB_PJ-35367-B-SMT | J2 |
| 1 | Conn_01x04 | PinHeader_1x04_P2.54mm_Vertical | J3 |
| 1 | FMT_SEL | SolderJumper-3_P1.3mm_Open_Pad1.0x1.5mm_NumberLabels | JP1 |
| 1 | DEMP_SEL | SolderJumper-3_P1.3mm_Open_Pad1.0x1.5mm_NumberLabels | JP2 |
| 1 | FLT_SEL | SolderJumper-3_P1.3mm_Open_Pad1.0x1.5mm_NumberLabels | JP3 |
| 1 | Speaker | Speaker_INGHAI_GSPK2307P-8R1W | LS1 |
| 3 | 0.22u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C2, C3 |
| 4 | 1u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C4, C7, C8, C9 |
| 3 | 2.2u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C5, C6, C14 |
| 3 | 0.1u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C10, C17, C18 |
| 3 | 10u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C11, C15, C16 |
| 2 | 2.2n | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C12, C13 |
| 2 | 40k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R2 |
| 2 | 470 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3, R4 |
Audio test board design files
The KiCad project lives in the kaine119/artsfest-hardware repository on GitHub; these links point at the commit this page was built from.
Audio test board: common questions
How big is the Audio test board?
The Audio test board measures 25.1 × 55.8 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Audio test board?
32 components, from 18 distinct parts. The full bill of materials is listed on this page.
Where can I download the Audio test board design files?
From the kaine119/artsfest-hardware repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Audio test board design in my own project?
Yes, under the terms of its CERN-OHL-P-2.0 license, which kaine119 chose for the repository.
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