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Re: ADS1232 Data Conversion

  • mohsen rezvanian
    Posted by mohsen rezvanian
    on Dec 31 2011 05:40 AM
    Prodigy10 points
    Hi Dear . now I Buy a ADS1232 for my project for Reading LoadCell data of wheigh. but i have exactly this problem that i can not read a digital data frame and i dont know a vin of my ADC . please Guide me .
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  • Bob Benjamin
    Posted by Bob Benjamin
    on Jan 03 2012 09:37 AM
    Mastermind35275 points

    Mohsen,

    Welcome to the forum!  The ADS1232 is 24 bit word length, and the code value that is output will depend on the value of the reference voltage you are using and the gain setting you are using.  The formula for a single code (value of 1) is equal to 0.5*(Vref/Gain)/(2^23-1) and is expressed in volts.  If you multiply that value times the result given from the ADS1232 you will receive the voltage output of your load cell.

    Best regards,
    Bob B

    ADS1232
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  • Kittadon Keawratchakit
    Posted by Kittadon Keawratchakit
    on Apr 29 2012 12:11 PM
    Prodigy70 points

    Hi Bob

    i use  formula  equal ADC_value/(1L<<24))*(5.0/128)

    if  negative voltage i read 19mV only 

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