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I want to design a five_order signle bit simga_delta ADC, I see the dnamic dither in the book, but it seems to use multi-bit DAC, can I use it in my design?
dither is used to suppress idle tone.
generally,high order modulator don't use dither due to its tone behavior.
So,i don't think fifth order,single stage delta-sigma modulator need to be dithed.
the zeros placed in the baseband(not in dc) can further suppress the
quantization noise energy(in baseband), which means we can get higher SNR.
It can be easily seen from the spectrum of 1bit output data stream.
but should I add dither to my design? Now, I have read books and papers for so long time, I have no idea with my disign, should I choose a simple model and begin my system analysis or continue to learn the knowledge ? PS: now I read the book "Delta-Sigma Data Converters: Theory, Design, and Simulation.
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