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Part Number: ADS1262EVM-PDK
hello i just need some clear explanation of :
--""Conversion Delay, in MODE0 :Provides additional delay from conversion start to the beginning of the actual conversion"
-- calibrating ADC1 and why , because its not clear for me in the data sheet
-- what are the solutions to reduce the noise while converting on hight speed like 14400 sps
Best regard ,
I can help answer these questions...
Best regards,Chris HallApplications Engineer | Precision ADCs
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In reply to Christopher Hall:
thank you so much , i just need to know more about the IDAC rotation in MODE0 ,
In reply to Julien Mansour:
IDAC rotation is similar to CHOP mode, where the ADC takes two conversion results and averages them together, except instead of swapping the positive and negative inputs, IDAC1 and IDAC2 are swapped between each measurement. As with CHOP mode, when IDAC rotation is enabled it can significantly reduce the ADC's overall data rate if you are not using one of the digital filters that settle in a single cycle (i.e. the SINC1 and FIR filters). Enabling CHOP and IDAC Rotation together can significantly reduce the overall data rate even more.
IDAC rotation is typically used when very accurate IDAC1 and IDAC2 current matching is required (better than the datasheet specification), for example when measuring a 3-wire RTD. Mismatches in the IDAC currents are averaged out by enabling IDAC rotation.
There is some additional information on IDAC rotation on pages 43 and 44 of the ADS1262 datasheet (http://www.ti.com/lit/ds/symlink/ads1262.pdf#page=43).
okay great ,thank you so much .
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