TLE4942-2 - Infineon Technologies AG

TLE4942-2 Differential Two-Wire Hall Effect Sensor IC

initial settling time peak detection d2 d2 offset= (m ax + min) / 2 offset correction d1 d1 d2 0 1 2 3 4 5 6 7 standstill pulse (cut off) PGA switching uncalibrated mode calibrated mode Fig. 1: example for start-up behaviour Uncalibrated mode: Occasionally a short initial offset settling time td,input might delay the detection of the input sig.

Features

edge), a comparator is triggered. The comparator is triggered again as soon as a falling edge (or rising edge respectively) is detected (and vice versa). Depending on the initial state of the comparator the IC output is first triggerd on the first or second detected edge. Between the startup of the magnetic input signal and the time when its second extreme is reached, the PGA (programmable gain amplifier) will switch to its appropriate position. This value is determined by the signal amplitude and initial offset value. The digital noise constant value is changing accordingly (d1 → d2), leading.