I am looking at 1.13.5.3 in SLAU208P
it says
Vsense = TCsensor * Temp + Vsensor (eqn 8)
So solving for Temp
Temp = (Vsense - Vsensor) / TCsensor
so if
Vsense = ADC(raw)
Vsensor = CAL_ADC_T30
TCsensor = (CAL_ADC_T85 - CAL_ADC_T30) / (85 - 30)
1 / TCsensor = (85 - 30) / (CAL_ADC_T85 - CAL_ADC_T30)
The documentation says in EQn 9:
Temp = (ADC(raw) - CAL_ADC_T30) * ((85 - 30) / (CAL_ADC_T85 - CAL_ADC_T30) +30
What is the +30 in Eqn 9 and Eqn 11?