
RecurBOY
cyberboy666/recurBOY
a rpi0 video-instrument – created in collaboration with Guergana Tzatchkova

24-bit analog to digital converter with I2C interface
I2CADC01 is an open-source printed circuit board by mlab-modules, from the mlab-modules/I2CADC01 repository on GitHub. It is a 2-layer board of 30 × 40.1 mm with 33 parts on 14 nets, routed with 143 tracks and 4 vias.
It is built around the BAT46. Its parts include 9 connectors, 8 capacitors, 6 resistors, 4 diodes and 1 IC. It belongs with the sensors and measurement boards of this library.
The ADC includes a temperature sensor that can be used to compensate cold-junction temperature. Therefore, this module is suitable for use of temperature measurement by thermocouples.

| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 100nF | Mlab_R:SMD-0805 | C1, C2, C4, C6, C7 |
| 4 | 10k | Mlab_R:SMD-0805 | R1, R2, R4, R5 |
| 4 | HOLE | Mlab_Mechanical:MountingHole_3mm | M1, M2, M3, M4 |
| 2 | 10uF | Mlab_R:SMD-0805 | C3, C5 |
| 2 | BAT46 | Mlab_D:MiniMELF_Standard | D2, D3 |
| 2 | CONN_2 | Mlab_Pin_Headers:Straight_2x01 | J3, J8 |
| 2 | JUMP2_2x1 | Mlab_Pin_Headers:Straight_2x01 | J5, J6 |
| 2 | _ | Mlab_Con:WAGO256 | P1, P2 |
| 1 | 0R | Mlab_R:SMD-0805 | R6 |
| 1 | 22nF | Mlab_R:SMD-0805 | C8 |
| 1 | 3K3 | Mlab_R:SMD-0805 | R3 |
| 1 | BLM21PG300SN1D | Mlab_R:SMD-0805 | L1 |
| 1 | CONN_3 | Mlab_Pin_Headers:Straight_1x03 | J4 |
| 1 | JUMP_3X2 | Mlab_Pin_Headers:Straight_2x03 | J1 |
| 1 | JUMP_5X2 | Mlab_Pin_Headers:Straight_2x05 | J7 |
| 1 | LM4041-adj | Mlab_IO:SOT-23 | D4 |
| 1 | LTC2485 | Housings_DFN_QFN:DFN-10-1EP_3x3mm_Pitch0.5mm | U1 |
| 1 | M4 | Mlab_D:SMA_Standard | D1 |
It measures 30 × 40.1 mm and has 2 copper layers, 1.6 mm thick.
33 parts, built around the BAT46. 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.
From the mlab-modules/I2CADC01 repository on GitHub, at the commit this page was made from: the board is hw/sch_pcb/I2CADC01.kicad_pcb and its schematic hw/sch_pcb/I2CADC01.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask mlab-modules before reusing the design.

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