A device for detecting a correlation maximum value from a sequence of correlation magnitude values includes a means for determining a reference value from correlation magnitude values within an interval of the sequence of correlation magnitude values, the correlation magnitude value to be assessed lying external to interval. A means for determining a threshold value provides the threshold value in dependence on the reference value. A means for comparing the correlation magnitude value to be assessed with the threshold value ascertained for the correlation magnitude value to be assessed is configured to provide, depending on the comparison result, a trigger signal which indicates whether a correlation magnitude value to be assessed is a correlation maximum value.