CHANNEL SELECTION OF LTC2412(2 Channel 24-Bit Differential ADC)

Hi,

   I WAS USING LTC2412 (2-CHANNEL DIFFERENTIAL  OUTPUT ADC) AS A PART OF MY PROJECT. I CONNECTED THE HARDWARE ACCORDING TO THE SPECIFIC DIAGRAM MENTIONED IN DATASHEET AND USED THE PROGRAM 'https://github.com/analogdevicesinc/Linduino/blob/master/LTSketchbook/Part%20Number/2000/2400/2412/DC746A/DC746A.ino" TO READ THE INPUT OF BOTH CHANNELS. BUT WHEN SERIAL  PRINTED I WAS ABLE TO GET INPUT FROM EITHER ONE OF THE CHANNELS AT A TIME(PROVIDED INPUT FOR BOTH CHANNELS). I TRIED BOTH SINGLE-ENDED AND DIFFERENTIAL ENDED CONFIGURATION BUT THERE IS NO CHANGE. PLEASE HELP ME WITH THIS ISSUE. IF ANYONE HAS A PROGRAM IN HAND TO ACCESS BOTH CHANNELS SIMULTANEOUSLY PLEASE SHARE IT.

THANKS.

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  • 0
    •  Analog Employees 
    on Aug 13, 2019 2:34 PM

    The LTC2412 data output automatically alternates between the two input channels starting with CH0. There is no way to read both channels simultaneously.

    Which diagram from the data sheet are you referring to? Can you provide a photo of your setup?

    Are you using a Linduino or an Arduino to read the data?

    Can you provide an oscilloscope photo showing CS, SCK and SDO?

Reply
  • 0
    •  Analog Employees 
    on Aug 13, 2019 2:34 PM

    The LTC2412 data output automatically alternates between the two input channels starting with CH0. There is no way to read both channels simultaneously.

    Which diagram from the data sheet are you referring to? Can you provide a photo of your setup?

    Are you using a Linduino or an Arduino to read the data?

    Can you provide an oscilloscope photo showing CS, SCK and SDO?

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