4 layers38 × 24 mm
4 layers38 × 24 mm
Ads1220 board
sssata/load_cell_readerExperimenting with analog sensors
- Size
- 38 × 24 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 34
- Nets
- 29
- Pads
- 98
- Tracks, vias
- 126, 55
- Pours
- 113
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 6 May 2024
- Updated
- 26 Nov 2024
Overview
Ads1220 board is an open-source printed circuit board by sssata, from the sssata/load_cell_reader repository on GitHub. It is a 4-layer board of 38 × 24 mm with 34 parts on 29 nets, routed with 126 tracks and 55 vias.
It is built around the INA826. Its parts include 12 resistors, 11 capacitors, 4 ICs and 2 connectors.
Main components
1Parts
34| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 0.1uF | Capacitor_SMD:C_0402_1005Metric | C5, C6, C8, C9, C10, C11 |
| 5 | 47R | Resistor_SMD:R_0603_1608Metric | R8, R9, R10, R11, R12 |
| 3 | MountingHole | JLCPCB:SMD Tooling Hole | H1, H2, H3 |
| 2 | 10K | Resistor_SMD:R_0402_1005Metric | R1, R2 |
| 2 | 1uF | Capacitor_SMD:C_0402_1005Metric | C1, C7 |
| 2 | 68R | Resistor_SMD:R_0402_1005Metric | R6, R7 |
| 2 | TestPoint | TestPoint:TestPoint_Pad_1.0x1.0mm | TP1, TP2 |
| 1 | 10nF | Capacitor_SMD:C_0402_1005Metric | C3 |
| 1 | 10uF | Capacitor_SMD:C_0603_1608Metric | C4 |
| 1 | 15pF | Capacitor_SMD:C_0402_1005Metric | C2 |
| 1 | 220R | Resistor_SMD:R_0402_1005Metric | R13 |
| 1 | 30K | Resistor_SMD:R_0603_1608Metric | R5 |
| 1 | 68K | Resistor_SMD:R_0603_1608Metric | R4 |
| 1 | ADS1220xPW | Package_SO:TSSOP-16_4.4x5mm_P0.65mm | U3 |
| 1 | Conn_01x08 | Connector_JST:JST_PH_B8B-PH-K_1x08_P2.00mm_Vertical | J3 |
| 1 | INA826 | Package_SO:Texas_S-PDSO-G8_3x3mm_P0.65mm | U2 |
| 1 | LOAD CELL | Connector_JST:JST_PH_B4B-PH-K_1x04_P2.00mm_Vertical | J2 |
| 1 | OPA333xxDBV | Package_TO_SOT_SMD:SOT-23-5 | U4 |
| 1 | TPS79301-EP | Package_TO_SOT_SMD:SOT-23-6 | U1 |
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Questions
How big is the Ads1220 board PCB?
It measures 38 × 24 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Ads1220 board use?
34 parts, built around the INA826. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Ads1220 board KiCad files?
From the sssata/load_cell_reader repository on GitHub, at the commit this page was made from: the board is ECAD/ads1220_board/ads1220_board.kicad_pcb and its schematic ECAD/ads1115_board/ads1115_board.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Ads1220 board design in my own project?
Its repository states no licence, so its author keeps all rights: ask sssata before reusing the design.