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TMS320F280049C: SDFM Calculation formula

Part Number: TMS320F280049C
Other Parts Discussed in Thread: AMC1304M05-Q1

Dear team,

The 280049 data manual does not clearly provide the conversion relationship between the density of the input data stream 1 and the output register SDDATA.

The customer is using the AMC1304m05-Q1 modulator and 280049. When the actual input is 25mV, the SDDATA value is about 6539, and when the input is 50mV, it is about 13100.

What is the actual conversion relationship? Looking forward to your reply!