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2007-08-13 I repeat, the analog inputs only work as inputs for switches due to the interference present on all of the ADC channels. At least that's better than what it used to be, but analog inputs are not worth connecting. Any suggestions on what could cause the interference? 2007-08-03 I must point out that the MCP3208 was replaced and that I assume that the new chip is working as it is supposed to. Why does the ADC then not work? $FlgChr1$FlgChr> With this new chip we have only applied +5V to the inputs through a pull-up resistor and of course with the AD597 EGT chips. $FlgChr2$FlgChr> Is there something besides the MCP3208 that potentially gets damaged if excessive voltage is applied to any of the ADC inputs? |