Question 7.12: In a data acquisition system 64 signals are scanned sequenti...
In a data acquisition system 64 signals are scanned sequentially and are connected to an analogue-to-digital converter via nine multiplexers as shown in Fig. ex.7.12(a). Each one has eight input channels. The leakage current is 10 nA when a switch is at ‘off’ state. The ‘on’ resistance of the switch r_{on} is 250 \Omega . The output capacitance of each multiplexer is 50 pF. Calculate the static error and approximate settling time if a dynamic error of 0.1% is allowed.
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