You should first scale lmtemp to volts
Volts = Imtemp/205 [ 205 = 1/(5/1023))]
Than since your sensor Vout = (Tci * Ta) + V0°C
where: Tci = 10 milliVolts and V0°C = 0.5 Volts
Ta= (Vout-0.5)/0.01
Ta = (Vout - 0.5) * 100
Ta = (Vout*100)-50
Al.
You should first scale lmtemp to volts
Volts = Imtemp/205 [ 205 = 1/(5/1023))]
Than since your sensor Vout = (Tci * Ta) + V0°C
where: Tci = 10 milliVolts and V0°C = 0.5 Volts
Ta= (Vout-0.5)/0.01
Ta = (Vout - 0.5) * 100
Ta = (Vout*100)-50
Al.
Last edited by aratti; - 8th March 2010 at 18:58.
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