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ADS8568 versus ADS8556

stephane bradfer
Prodigy 200 points
Other Parts Discussed in Thread: ADS8556, ADS8568

I  need  a six-channel simultaneous sampling ADC. I don't need low power devices.

What the main differences( other than #of inputs channel)s from ADS8568 and ADS8556 devices both in LQFP-64

best regards

 

  • TI__Guru**** 181041 points

    Hi Stephane,

    Besides the channel count, the main differences between the ADS8556 and ADS8568 is speed (the ADS8556 is a little faster) and AC performance - the ADS8568 has better SNR and better CH-CH isolation.  This is mainly due to the differences in the chip layouts.  The REF inputs are arranged per channel on the ADS8568 while they are grouped together on the ADS8556.