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  • Question for design 4 ADS1222 on board

    • Resolved
    schematic in ADS1224 is direct connect to MSP430. If not I will add a buffer between ADC and MSP430. 2

  • RE: 0 - 20mA and 4-20mA current loop

    Brian, There are a lot of different options for the ADC. What sort of noise floor are you looking for? What data rate do you need? Do you need the integrated PGA? You could move to the ADS1242, but there are a few other options that you could...

  • Re: front end system for multidata acquisition system

    Dushyanth, Are you looking for a particular precision? Perhaps look at ADS1218 or ADS1224 for high precision and 8 or 4 channels. Also ADS1243. You can use the QuickSearch ADC button at http://focus.ti.com/analog/docs/dataconvertershome.tsp...

  • Re: ads1256- msp430f5438a interface

    Hi Kedar, Welcome back! How did you make out with the ADS1224? Part of the problem you are having with this current ADS1256 setup may be related to the SPI settings you are using with the MSP430F5438. You are setting the UCCKPL bit which will make...

  • Re: ADS1243 Supply, muxed reference and SPI voltage levels design problems

    Here are a couple comments on your last posting: I'd still be concerned with the noise of the buffer. Since it is likely an auto-zero op-amp, I think that the noise associated with the topology will likely cause some sort of extra noise that will...

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