Hi Jehan, As the 'spikes' you are seeing relate to end of conversion, this will not affect your measurement. Can you send me the all the configuration register settings that you are using? What is connected to the inputs? And what are you expecting to see as a proper conversion result? What method of reading the data is being used? Is it direct or by using the RDATA command? What temperature sensor are you wanting to measure (TC, RTD, etc?) Can you send me scope shots of the communication to read the conversion result? One consideration is you should be reading the data after each conversion period ends or there is no advantage of operating the ADC at higher data rates. Make sure that as soon as DRDY (or DOUT/DRDY) transitions from a high to low state you read the conversion result. If RDATA is used, this will require 24 SCLKs (RDATA command plus 16 bits of data). Once I get the answer to the questions above, I can more accurately answer the question of why you might be seeing a '0' result. Best regards, Bob B
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