16.9.1 Conversion Formula for Bipolar Input Ranges

Input voltage = A/D value / 32768 Full-scale input voltage

Example: For bipolar input range ±5V, full-scale input voltage = 5V

For an A/D value of 17761: Input voltage = 17761 / 32768 5V = 2.710V

For a bipolar input range, 1 LSB = 1/32768 * Full-scale voltage, in this case 5V/32768 = 153uV (0.000153V).

The table below shows the relationship between A/D code and input voltage for a bipolar input range (VFS = Full scale input voltage).