ADC ENOB, SNR and THD Calculator

This tool computes the Effective Number Of Bits using values for Signal-to-Noise Ratio (SNR) and the Total Harmonic Distortion (THD)


	

			

		

						

				

				

                

			

			
						

		

		






Formula





ENOB = ([−10*Log10(10−SNR/10 + 10−THD/10)] – 1.76)/6.02





where,





    

  • SNR is the Signal-to-Noise Ratio in dB
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  • THD is the Total Harmonic Distortion in dB
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Related Calculators





    

  • ADC SNR – Use the number of bits to calculate the signal-to-noise ratio of the analog-to-digital converter
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  • ADC bit resolution – calculate the smallest voltage that can be measured by an ADC
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  • ENOB – Find the Effective Number of Bits using the SINAD
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  • ADC Effective Resolution (not to be confused with effective number of bits)
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