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ads1298r for hr and resp rate

Marco Scordo
Prodigy 80 points
Other Parts Discussed in Thread: ADS1292RECG-FE, ADS1292R

Hello,

I would like to implement a unique system to capture heart signal and respiration signal both using the same two electrodes. What I would like to ask if what exactly I need to start: I'm sure I have to interface the front end to a microcontroller (which could be the MSP430). I'm not able to solder the two components in a pcb but there are any boards I can use maybe to link them in a breadboard? I would interface the two components by SPI. It would be ok?Then, Where I can write the firmware? Visual Studio Code would be ok? There are some already existing library I can use to develope my idea? Thank you very much 

  • 0
    TI__Mastermind 38745 points

    Hello Marco,

    The best device for the project you are describing is the ADS1292R. Unfortunately this device only comes in a surface mount package meaning it will have to be soldered to a PCB. The device has an EVM called the ADS1292RECG-FE, but this is an evaluation platform for the chip rather than a development platform. It is not supported as a development platform.

    My recommendation would just be to get a simple PCB manufactured with the ADS1292R and its necessary components and then interface it to an MSP430 LaunchPad. You can code using Energia.

    Brian

  • 0 in reply to Brian Pisani
    Prodigy 80 points
    Brian,
    thank you for your answer. The next question becomes obvious: when you talk about 'a simple PCB manufactured with the ADS1292R' do you have an example or such a device or do I have to build it by myself?
  • 0 in reply to Marco Scordo
    TI__Mastermind 38745 points
    If you have a standard PCB schematic editor like Altium, you can create a footprint for the ADS1292R using the mechanical information provided near the end of the datasheet. This way you can create the schematic, lay out the board, and send the gerber files to a local PCB manufacturer to be fabricated.

    Brian
  • 0 in reply to Brian Pisani
    Prodigy 80 points

    Brian,

    thank you for your willingess. I'm not an electronic engineering so I need to ask you some question:

    1) Which are the mechanical informations I have to provide? RSM or PBS types or something else?

    2) I know a little bit OrCad Capture. Would it be ok?

    3) What should I introduce in the schematics? The components there are in the circuits in fig 56 (for respiration) and 60 (for voltage supply)?

    4) Do i Have to provide all the components the company eventually would solder in the PCB with the ADS1292R?

    My idea would be having something I can interface in a breadboard with MSP430 LaunchPad. I know it's a lot of stuff to answer, If you have some documents or sources of any type that I can use to improve my knowledge in this field that would be great.

    Thank you very much

    Marco

     

  • 0 in reply to Marco Scordo
    TI__Mastermind 38745 points

    Hello Marco,

    1. The mechanical information begins on page 70 of the datasheet. You'll need that when you are designing the PCB.
    2. I think it will be fine.
    3. You can use the schematic for the EVM as a starting point. You can find it near the end of the EVM User's Guide.
    4. It depends on how you get it manufactured. There are PCB suppliers who will mount the components for you (youwill probably have to pay extra for this service). Otherwise you can get the PCB fabricated and solder the parts yourself.

    Regards,

    Brian