Composed of INA331/332 direct drive capacitive input A/D converter

Published:2014/5/14 21:14:00 Author:lynne | Keyword: Composed of INA331/332 direct drive capacitive input A/D converter, INA331, ADS7818, ADS7822 | From:SeekIC

Composed of INA331/332 direct drive capacitive input A/D converter circuit as shown: As shown by INA331/332 consisting of direct drive capacitive input A/D converter. Because INA331/332 output for low resistance, when working in high frequency can be directly driving capacitive loads. The input voltage through the INA331 amplifier output, directly to 12 low-power high-speed sampling A/D converter ADS7818 or ADS7822. ADS7818 or ADS7822 internal input capacitance array (CDAC) D/A conversion, namely for the capacitive input, A/D converter input analog signal is converted to 12 digital signal output.



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