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datasheet-23.pdf
+C ) 10µF 0.1µF G ADR435 1 +5V 4.7µF FilterFreq = +IN CM 2πR(C C +C ) G 1kΩ ±50mV 1.07kΩ AD8220 AD7685 REF 2.7nF –IN +2.5V Mismatched C Ccapacitors result in mismatched low-pass filters. 3 The imbalance causes the AD8220 to treat what would have 7 0 been a common-mode signal as a differential signal
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How_to_Avoid_Common_Problems.pdf
the ADC voltage divider. This reduces the in-amp’s common-mode DIFFERENTIAL OUTPUT R INPUT IN-AMP AD7685 rejection and its gain accuracy. However, in some cases, R4 is C accessible, thus its resistance value can be reduced by an REFERENCE amount equal to the resistance looking back into the paralleled
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AD7680.pdf
Battery-poweredsystems: True Differential AD7684 AD7687 AD7688 Personaldigitalassistants Pseudo Differential AD7683 AD7685 AD7686 Medicalinstruments Unipolar AD7680 Mobile communications Instrumentationandcontrolsystems Remotedata acquisitionsystems Highspeedmodems Optical sensors GENERAL DESCRIPTION PRODUCTHIGHLIGHTS
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