Tags: ADC, education, SNR, signal-to-noise ratio, theory

————————

          For N-bit ADC the signal-to-noise ratio is calculated as follows [1]:

 

SNR  =  6.02 N  +  1.76 dB

 

          The conclusion is simple: in order to improve the SNR in a conventional ADC, its resolution, that is, number of bits, must be increased.

 

References:

  1. http://www.maximintegrated.com/en/app-notes/index.mvp/id/1870

    Maxim Integrated Products, Inc., TUTORIAL 1870: Demystifying Delta-Sigma ADCs (link available 2015.06)