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TMS320F280048: SDFM SINC3 vs. SINCFAST

David M. Alter
Guru 61235 points

Part Number: TMS320F280048

For the SDFM module, what is the advantage of using Sincfast as compared to Sinc3? It looks like Sincfast is reducing the resolution for the same latency as compared to Sinc3? For example, at OSR = 32, Sincfast resolution is 2048 (11 bit), while Sinc3 gives 32768 (15 bit), but the latency is same as both of them are of same order.

Thank you,

David