Voltage Resolution (Analog to Digital)

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Equation / Last modified by Administrator on 2017/08/29 07:08
`epsilon_V = `
MichaelBartmess.Voltage Resolution (Analog to Digital)

The Voltage Resolution (Analog to Digital) calculator computes the Voltage Resolution (εv) of a measured analog signal over the nominal range [VL , VH], where VL and VH are the low and high end respectively of the nominal voltage range.

INSTRUCTIONS: Choose the preferred units and enter the following:

  • (VL) This is the lower voltage range.
  • (VH) This is the higher voltage range.
  • (n) Number of conversion bits.

Voltage Resolution: The calculator returns the voltage resolution (εv) in millivolts.  However, this can be automatically converted to other electrical potential units via the pull-down menu.

This equation is a function of a key design parameter, the number n of conversion bits in the analog to digital (A/D) converter.  The values for n are typically 4, 8,10, 12, or 16. Logically, the value of n can be defined in the range of [0, `2^n`-1].

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