ZHCSI25 April 2018 LMV7239-Q1
PRODUCTION DATA.
7.4.4 Zero Crossing Detector
In a zero crossing detector circuit, the inverting input is connected to ground and the noninverting input is connected to a 100 mVPP AC signal. As the signal at the noninverting input crosses 0V, the comparator’s output changes state.
Figure 21. Simple Zero Crossing Detector