Can I leave the unused analog input channels unconnected on the AD7606?
If your application does not require all 8 analog input channels then the AD7606-6 and the AD7606-4 are from the AD7606 product family but are 6 and 4 channel versions respectively. However if you are using the AD7606 but dont use all 8 analog inputs then for optimal performance it is recommended that these channels are connected to AGND when not in use by the application. If this is not possible then they can remain unconnected.
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