ADC Resolution Calculator

Enter the number of bits (8-24) and reference voltage to find resolution, quantization levels, dynamic range, and LSB voltage.

Number of Bits

Reference Voltage Vref (V)

Resolution (LSB Voltage)

V/step

Total Levels (2^n)

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Dynamic Range (dB)

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Resolution (mV)

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Resolution (µV)

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ADC Resolution Formulas

Levels = 2^n

Resolution = Vref / (2^n − 1)

Dynamic Range = 6.02 × n + 1.76 dB (ideal SNR)

LSB = Vref / 2^n

Op-amp gain.

RC time constant.

Trace width.

V=IR.

Binary math.

Turns ratio.