I2s conv.
b3dag·r2r-DAC·i2s conv/i2s conv..kicad_pcb
About the I2s conv. PCB
I2s conv. is an open source PCB design by b3dag, published on GitHub. It is a 2-layer board measuring 51.4 × 45.7 mm, with 26 components from 14 distinct parts.
Other key parts include the PCM2706CPJTR and ISO7240CFDWR. By type, the board carries 10 capacitors, 10 resistors, 2 ICs, 2 connectors and 1 diode.
It belongs with the audio designs in this gallery.
Main components on the I2s conv.
I2s conv. bill of materials (BOM)
26 components, 14 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | PCM2706CPJTR | QFP80P900X900X120-32N | U1 |
| 1 | ISO7240CFDWR | SOIC127P1030X265-16N | U2 |
| 1 | USB_B | USB_B_OST_USB-B1HSxx_Horizontal | J1 |
| 1 | CONN_01X06_PIN Conn_01x06_Pin | PinHeader_1x06_P2.54mm_Vertical | J2 |
| 1 | 12MHZ 12Mhz | Crystal_HC49-4H_Vertical | Crystal1 |
| 1 | LED | LED_D5.0mm | D1 |
| 2 | 100NF 100nf | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2, C11 |
| 2 | 1UF 1uf | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C3, C7 |
| 3 | 1NF 1nf | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C4, C5, C6 |
| 1 | 10UF 10uf | C_Radial_D6.3mm_H7.0mm_P2.50mm | C8 |
| 2 | 22PF 22pf | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C9, C10 |
| 6 | 22R | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R2, R7, R8, R9, R10 |
| 3 | 1K5 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R3, R4, R5 |
| 1 | 1M | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R6 |
I2s conv. design files
The KiCad project lives in the b3dag/r2r-DAC repository on GitHub; these links point at the commit this page was built from.
I2s conv.: common questions
How big is the I2s conv. PCB?
The I2s conv. measures 51.4 × 45.7 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the I2s conv.?
26 components, from 14 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the I2s conv. design files?
From the b3dag/r2r-DAC repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the I2s conv. design in my own project?
The repository has no license, so all rights stay with b3dag. Use it as a reference, and ask the author before reusing the design.
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