UCODEC
About the UCODEC PCB
UCODEC is an open source PCB design by ohdsp, published on GitHub under the TAPR-OHL-1.0 license. It is a 4-layer board measuring 50 × 50 mm, with 194 components from 41 distinct parts.
Other key parts include the AD1939, TLV1117LV33DCY, TPS7A4533DCQ and CAT811TTBI. By type, the board carries 93 capacitors, 63 resistors, 13 connectors, 6 diodes, 4 ICs and 3 inductors.
From the project
AD1939 CODEC board - 4 Differential Inputs, 8 Differential Outputs
Main components on the UCODEC
UCODEC bill of materials (BOM)
194 components, 41 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AD1939 | IC-LQFP64 | U201 |
| 1 | TLV1117LV33DCY | IC-SOT-223 | U301 |
| 1 | TPS7A4533DCQ | IC-SOT223-6 | U302 |
| 1 | CAT811TTBI | IC-SOT143 | U701 |
| 1 | N/F | XTAL_3.2x2.5_4PIN | X201 |
| 3 | CONN_4X1 CONN_4x1 | CONN_SIL_4_1MM | P201, P406, P407 |
| 1 | CONN_2x1 | CONN-2WAY-2.54mm-3.81mm-SPACING | P301 |
| 4 | CONN_5x1 | CONN_SIL_5_1MM | P401, P402, P403, P405 |
| 2 | PIN | TP-1mm | P404, P408 |
| 3 | CONN_02X04 | CONN_DIL_2X04 | P601, P701, P702 |
| 6 | MNT_HOLE | FID-1MM-2MM | FID301, FID302, FID303, FID304, FID305, FID306 |
| 4 | MNT_HOLE | MNT_HOLE_3.2mm | MNT301, MNT302, MNT303, MNT304 |
| 1 | PIN | TP-TH-1mm | TP401 |
| 1 | B240A | DIODE-SMA | D301 |
| 1 | LED 0603 | SMD-0603-LED | D302 |
| 4 | 1N5819HW | DIODE-SOD-123 | D303, D304, D305, D306 |
| 3 | 600R@100MHz | SMD-0805 | L201, L202, L301 |
| 15 | 100P 100p | SMD-0603 | C201, C220, C301, C605, C606, C607, C608, C613 +7 |
| 4 | 22U 22u | SMD-0603 | C203, C223, C309, C310 |
| 16 | 100n | SMD-0603 | C204, C205, C207, C210, C211, C214, C215, C224 +8 |
Show 21 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 8 | 10N 10n | SMD-0603 | C206, C209, C212, C216, C217, C227, C229, C727 |
| 1 | 47u | CAP-SMD-SIZE-D | C208 |
| 2 | 10U 10u | CAP-SMD-SIZE-B | C213, C302 |
| 1 | 39n | SMD-0603 | C218 |
| 1 | 2N2 2n2 | SMD-0603 | C219 |
| 2 | N/F | SMD-0603 | C222, C226 |
| 2 | 22u | SMD-0805 | C303, C304 |
| 24 | 1u | SMD-1210 | C601, C602, C603, C604, C615, C616, C617, C618 +16 |
| 16 | 1n | SMD-0603 | C609, C610, C611, C612, C623, C624, C625, C626 +8 |
| 1 | 10u | SMD-0603 | C725 |
| 6 | 22 | SMD-0603 | R201, R204, R404, R405, R413, R415 |
| 1 | 3K32 | SMD-0603 | R202 |
| 5 | N/F | SMD-0603 | R203, R205, R206, R406, R414 |
| 1 | 47 | SMD-0603 | R301 |
| 1 | 470 | SMD-0603 | R302 |
| 7 | 0 | SMD-0603 | R401, R402, R403, R407, R408, R409, R410 |
| 24 | 1K | SMD-0603 | R601, R602, R603, R604, R609, R610, R611, R612 +16 |
| 8 | 220 | SMD-0603 | R605, R606, R607, R608, R613, R614, R615, R616 |
| 8 | 220K | SMD-0603 | R709, R710, R711, R712, R721, R722, R723, R724 |
| 1 | 100K | SMD-0603 | R725 |
| 1 | 100 | SMD-0603 | R727 |
UCODEC design files
The KiCad project lives in the ohdsp/uCODEC repository on GitHub; these links point at the commit this page was built from.
UCODEC: common questions
How big is the UCODEC PCB?
The UCODEC measures 50 × 50 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the UCODEC?
194 components, from 41 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 UCODEC design files?
From the ohdsp/uCODEC repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the UCODEC design in my own project?
Yes, under the terms of its TAPR-OHL-1.0 license, which ohdsp chose for the repository.