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 with a specified number of conversion bits.
INSTRUCTIONS: Choose units and enter the following:
- (VL) Lower Voltage range.
- (VH) Higher Voltage range.
- (n) Select Number of conversion bits (4,8,10,12,16)
Voltage Resolution(ξV): 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.
The Math / Science
The Voltage Resolution (analog to digital) 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]. The Voltage Resolution formula is:
ξV = (VH - VL) / 2n
where:
- ξV = Voltage resolution
- VH = Higher Voltage Range
- VL - Lower Voltage Range
- n - number of conversion bits
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