// multi-utility computation suite · offline · instant · precise
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eng.ADC-SNR-ENOB Calculator
Calculates ADC ENOB from measured SINAD and dynamic range, separating noise and harmonic distortion contributions. ENOB (Effective Number of Bits) measures actual ADC performance vs. ideal — a 16-bit ADC typically achieves 13–14 ENOB due to noise and distortion.
Inputs
N Bits
Reference formula or conversion factor shown for context.
Noise Rms Lsb
Reference formula or conversion factor shown for context.
Vref V
Electric potential difference (V). Drives current through a circuit. Household: 120 V (US) or 230 V (EU/UK).
Fin Hz
Cycles per second (Hz). Audible sound: 20 Hz – 20 kHz. Make sure units match what the formula expects.
Results
ENOB (effective number of bits)
Sample size or count used in the calculation.
Ideal SNR (dB)
Sample size or count used in the calculation.
Achieved SINAD (dB)
Sample size or count used in the calculation.
1 LSB voltage (mV)
Electric potential difference between the two terminals (V). In AC systems, quoted as RMS — 230 V mains has a peak of ~325 V.