SBOS335E June 2005 – December 2018 TMP300
The trip point is easily converted by changing the digital-to-analog converter (DAC) code. This technique can be useful for control loops where a large thermal mass is being brought up to the set temperature and the OUT pin is used to control the heating element. The analog output can be monitored in a control algorithm that adjusts the set temperature to prevent overshoot. Trip set voltage error versus temperature is shown in Figure 10, which shows error in °C of the comparator input over temperature. An alternative method of setting the trip point by using a DAC is illustrated in Figure 11.