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AD9625 Threshold Registers

Hello all,

I was looking in the datasheet regarding how to program the fast detect bit and noticed that the threshold registers were specified to be 16-bit programmable with 0V-1.2V analog input mapped from 0 to 16,384, respectively:

But looking at the register map for the threshold registers, it looks like they're only 12-bit programmable:

I'm not sure if this is a discrepancy in the documentation but would this mean that the specified voltage range is mapped from 0 to 4096?

Any clarification helps! Thanks.