INA321 322 a direct drive capacitive input of the A D converter Figure

As shown by INA321/322 configured to directly drive the capacitive input A/D converter shown in Fig. Since INA321/322 output is low resistance, and therefore work at high frequ

encies can directly drive capacitive loads. Input voltage through INA321/322 amplifies the output directly to the 12 low-power high-speed sampling A/D converter ADS7818 or ADS7822. ADS7818 or ADS7822 internal input capacitor array (CDAC) digital to analog conversion, that is, capacitive input, converts the analog signal A/D converter input 12-bit digital signal output.

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