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ads1259 data rate and syncout

Other Parts Discussed in Thread: ADS1259, PGA280

hello:

question 1: in page 24 and 25 of ads1259 data sheet,

a)if START is used to begin conversion, settling time is listed in table 9. i found that the settling time is not equal to 1/(data rate). so, in this mode, how much is the time interval between START command and conversion data could be read out? the settling time or 1/(data rate)?

b)if the ads1259 is free running the conversions, is the time interval between two conversion data equal to 1(data rate)?

question 2: in page 21 of ads1259 data sheet, "The SYNCOUT clock is reset when START is received".

if i use ads1259 with pga280 and connect SYNCOUT to pga280 as its clock, will the reset of SYNCOUT influence the operation of pga280? should i insert delay between START command and conversion?

best regards

liu xingqiao