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For the AD7176-2, can the SYNC input be used for sample timing?

Question asked by mitchbur-q on Jul 23, 2018
Latest reply on Jul 24, 2018 by JellenieR

We are using the AD7176-2 to collect a sequence of samples but we want an external  microprocessor to time the sampling.   Sample rate will be in the 4 kHz to 5 kHz range but the sample timing needs to be coordinated with stepper motor control and rotating mechanical parts -- e.g., we want N samples for every rotation.  Can we use the AD7176-2 SYNC input to time sampling with the AD7176-2 in single cycle mode? If the SYNC is toggled at around 5 kHz, what settings should be used in the FILTCONx register? (Output Data Rate = 5000 or 10000? Filter Type = Sinc5 to reduce settling time?)  Any advice you can provide would be appreciated.