Scaling

Pico ADC-16

Scaling

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As PicoLog software displays readings in volts, this section is only required if you are writing your own software.

The ADC-16 generates readings which are in ADC counts. The scaling of these values depends on the resolution. In n-bit mode, the maximum input voltage (2.5 V) is represented by 2n-1, and the minimum input voltage (-2.5 V) is represented by -(2n-1). To convert an ADC value to a voltage, multiply by 2.5 and divide by the maximum ADC value at the resolution that you are using.

Resolution

Maximum ADC value

8

255

9

511

10

1,023

11

2,047

12

4,095

13

8,191

14

16,383

15

32,767

16

65,535