ADC Resolution Calculator

Calculate voltage resolution, quantization error, dynamic range, SNR, and effective number of bits for your data acquisition system. Select a sensor preset or enter custom parameters.

Sensor Presets

Presets load typical values. Adjust any parameter after selection.

ADC Parameters

V Min (V)

V Max (V)

Bit Depth (N)

Sample Rate (Hz)

Oversampling Ratio

Sensor Parameters

Sensitivity (mV/g)

Engineering Unit

Calculate ENOB from SINAD

Voltage Resolution (LSB)

0.5960 uV

16,777,216 levels

Resolution (g)

5.960e-6 g

1 LSB in eng. units

Full Scale Range

100.0 g

10.00 V

Theoretical SNR

146.2 dB

6.02 x 24 + 1.76

Dynamic Range

144.5 dB

20 x log10(2^24)

Nyquist Frequency

25.60 kHz

fs = 51.20 kHz

Quantization Error

Max Error (LSB/2)

0.2980 uV

= 2.980e-6 g

RMS Error (LSB/sqrt(12))

0.1721 uV

= 1.721e-6 g

Signal Chain Summary

Physical
100.0 g

→

Sensor (100 mV/g)
10.00 V

→

ADC (24-bit)
16,777,216 levels

→

Resolution
5.960e-6 g

References: IEEE Std 1241-2010 "Standard for Terminology and Test Methods for ADCs"; Kester, W., "Data Conversion Handbook", Analog Devices, 2005; Analog Devices MT-001 "Understanding Data Converters". Theoretical SNR assumes ideal ADC with full-scale sine wave input. Real-world performance is lower due to noise, nonlinearity, and clock jitter. Use ENOB from your ADC datasheet for accurate results.