Direct driving capacitive input high-speed A/D converter circuit diagram with INA155/156

Published:2012/8/30 1:42:00 Author:Ecco | Keyword: Direct driving , capacitive input , high-speed A/D converter | From:SeekIC

In the figure, G = 10. Input voltage is sent to 12-bit high-speed low-power sampling A / D converter ADS7818 or ADS7834 after being amplified by INA155. The internal input terminal of ADS7818 or ADS7834 is the capacitor array (CDAC), namely the capacitive input, and A / D converter converts the input analog signal to 12-bit digital signal output, fSAMPLE = 500kHz.



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