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ADC AMP with MCP4161

Jolt8·Projects-And-Code-Will-Martin·KiCad Projects/ADC_AMP_with_MCP4161/ADC_AMP_with_MCP4161.kicad_pcb

ADC AMP with MCP4161 PCB layout, top view — open source RP2040/RP2350 board by Jolt8

About the ADC AMP with MCP4161 PCB

ADC AMP with MCP4161 is an open source RP2040/RP2350 PCB design by Jolt8, published on GitHub. It is a 4-layer board measuring 55 × 80.5 mm, with 69 components from 40 distinct parts.

Its main chip is the PIMORONI_PICO_LIPO_2_XL_W, from the RP2040/RP2350 family. Other key parts include the SN74AHCT125DRG4, OPA365XXDBV, AD9226ARSRL, AD8138AR-REEL and MCP4161T-502E/SN. By type, the board carries 21 capacitors, 20 resistors, 14 test points, 6 ICs, 4 diodes and 2 connectors.

From the project

This is a repo for all the pieces of code I've written while learning chemical engineering.

This is a repo for all the pieces of code I've written while learning chemical engineering.

Many of my python projects are quite old as I have switched to Julia.

The only thing I haven't ported to Julia from python is my old and incomplete process simulator and my MESH distillation solver.

Most of the work I've done recently has revolved around solving ODEs, PDEs in Julia as well as working ModelingToolkit.jl

Main components on the ADC AMP with MCP4161

SN74AHCT125DRG4OPA365XXDBVAD9226ARSRLAD8138AR-REELMCP4161T-502E/SN

ADC AMP with MCP4161 bill of materials (BOM)

69 components, 40 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
SN74AHCT125DRG4
U2
2
OPA365XXDBV
OPA365xxDBV
U3, U4
1
AD9226ARSRL
U5
1
AD8138AR-REEL
U6
1
MCP4161T-502E/SN
U7
1
C496551
SMA_KWE_THT
J1
1
PIMORONI_PICO_LIPO_2_XL_W
Pimoroni_Pico_LiPo_2_XL_W
J2
1
C5199801
SPI_CS
TP1
1
AMP1_OUT
TP2
1
AMP2_IN
TP3
1
AMP2_OUT
TP4
1
TP_GND1
TP5
1
TP_GND2
TP6
1
5VA
TP7
1
DIGIPOT_2.5V
TP8
1
SIG_2.5V
TP9
1
C5199801
ADC OTR
TP10
1
C5199801
ADC 2.5V
TP11
1
C5199801
ADC VREF
TP12
1
C5199801
ADC_CLK
TP13
Show 20 more
QtyPartRefs
1
C5199801
SIG_FILTERED
TP14
2
1N4148W
D1, D2
2
LED
D3, D4
2
C48543403
FerriteBead
FB1, FB2
11
100NF
100nF
C1, C2, C5, C8, C9, C11, C14, C15 +3
1
2.7NF
2.7nF
C3
1
1NF
1nF
C4
2
330NF
330nF
C6, C7
4
10UF
10uF
C10, C12, C17, C18
1
820PF
820pF
C13
1
47PF
47pF
C16
1
1k
R1
1
100K
100k
R2
1
50
R3
5
1k
R4, R8, R9, R14, R20
3
499
R5, R16, R17
2
9k
R6, R7
4
10K
10k
R10, R11, R12, R13
1
470
R15
2
33
R18, R19

ADC AMP with MCP4161 design files

The KiCad project lives in the Jolt8/Projects-And-Code-Will-Martin repository on GitHub; these links point at the commit this page was built from.

ADC AMP with MCP4161: common questions

What microcontroller does the ADC AMP with MCP4161 use?

The ADC AMP with MCP4161 is built around the PIMORONI_PICO_LIPO_2_XL_W, from the RP2040/RP2350 family.

How big is the ADC AMP with MCP4161 PCB?

The ADC AMP with MCP4161 measures 55 × 80.5 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the ADC AMP with MCP4161?

69 components, from 40 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 ADC AMP with MCP4161 design files?

From the Jolt8/Projects-And-Code-Will-Martin 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 ADC AMP with MCP4161 design in my own project?

The repository has no license, so all rights stay with Jolt8. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the ADC AMP with MCP4161 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.

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