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Bill of materials
Dilshan R Jayakody edited this page Jan 12, 2020
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The following tables contain components needed to assemble the DAC module. To overcome the PCB manufacturing cost, and reduce the board size, we employ many surface-mounted components into this module.
| Reference designator | Value | Quantity | Notes |
|---|---|---|---|
| R1, R2, R3, R4 | 22K | 4 | SMD 0603 Package |
| R5, R117, R118 | 0Ω | 3 | SMD 0603 Package |
| R6, R7, R8, R9 | 10K | 4 | SMD 0603 Package |
| R109, R113 | 2.2K | 2 | SMD 0603 Package |
| R110, R111, R114, R115 | 100K | 4 | SMD 0603 Package |
| R112, R116 | 560Ω | 2 | SMD 0603 Package |
| R11, R13, R15, R17, R19, R21, R23, R25, R27, R29, R31, R33, R35, R57, R55, R53, R51, R49, R47, R45, R43, R41, R39, R37, R58, R61, R63, R65, R67, R69, R71, R73, R75, R77, R79, R81, R83, R85, R107, R105, R103, R101, R99, R97, R95, R93, R91, R89, R87, R108 | 15K | 50 | SMD 0603 Package, Tolerance: 1% |
| R12, R14, R16, R18, R20, R22, R24, R26, R28, R30, R32, R34, R36, R56, R54, R52, R50, R48, R46, R44, R42, R40, R38, R59, R62, R64, R66, R68, R70, R72, R76, R78, R80, R82, R84, R86, R106, R104, R102, R100, R98, R96, R94, R92, R90, R88, R60, R64 | 7.5K | 48 | SMD 0603 Package, Tolerance: 1% |
| R10 | 1K | 1 | SMD 0603 Package |
| C1, C2 | 100pF | 2 | SMD 0603 Package |
| C3, C5, C8 | 0.01μF | 3 | SMD 0603 Package |
| C7, C10, C11, C12, C13, C14, C15, C16, C17, C18, C19 | 0.1μF | 11 | SMD 0603 Package |
| C22 | 0.22μF | 1 | SMD 0603 Package |
| C21 | 0.1μF | 1 | SMD 0805 Package |
| C4, C6 | 4.7μF / 50V | 2 | |
| C9 | 100μF / 16V | 1 | |
| C20 | 470μF / 16V | 1 | |
| C23 | 10μF / 16V | 1 | |
| X1 | 50.00MHz 4-Pin crystal module | 1 | SMD 7050 Package |
| RV1, RV2 | 10K Multi-turn potentiometer | 2 | Bourns 3296W Cermet trimmer |
| J1 | 2.54mm - 2×4 Pin vertical pin header | 1 | |
| J2 | 2.54mm - 2×5 Pin vertical pin header | 1 | |
| J3 | 2.54mm - 4 Pin vertical pin header | 1 | |
| J4 | 2.54mm - 2 Pin vertical pin header | 1 |
This section contains a list of semiconductor components used in the DAC module.
| Reference designator | Value | Quantity | Package | Datasheet |
|---|---|---|---|---|
| U1 | EPM240T100C5 | 1 | LQFP-100 | http://datasheet.octopart.com/EPM240T100C5-Altera-datasheet-7547324.pdf |
| U2 | MCP602 | 1 | SOP-8 | http://ww1.microchip.com/downloads/en/DeviceDoc/21314g.pdf |
| U3 | LM1117-3.3 | 1 | SOT-223 | http://www.ti.com/lit/ds/symlink/lm1117.pdf |
| D1 | SMD Red LED | 1 | 0805 | |
| D2 | SS14 | 1 | DO-214AC | http://www.vishay.com/docs/88746/ss12.pdf |