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Hi team,
Is it OK to left open the analog unused pin? (e.g. CH_A0)
Regards
Ohashi
Hi Ryoma,
Please tie the unused inputs to analog ground - with a zero ohm resistor if you have space. Always nice to have a spare ADC channel when you need it...
Hi Tom,
Thanks for your answer. Got it that it has to be tied to AGND.
COuld you tell me what likely to happen if it is left open? (unexpected output happens / might damage etc.)
Regards
Ohashi
Increased noise on adjacent channels is possible, not likely that you would damage the chip though.