TLE4942 Datasheet, PDF (11/18 Pages) Infineon Technologies AG – Differential Two-Wire Hall Effect Sensor IC

I
tr
tf
I_High
90%
10%
I_Low
50%
t1
TLE4942, TLE4942C
t
Figure 6 Definition of rise and fall time
Timing Characteristics
Parameter
Pre-low length
Length of Warning pulse
Length of DR-L pulse
Length of DR-R pulse
Length of DR-L & EL
pulse
Length of DR-R & EL
pulse
Output of EL pulse,
maximum frequency
Length of stand still pulse
Stand still period ¹⁾
Symbol
t_pre-low
t_Warning
t_DR-L
t_DR-R
t_DR-L&EL
t_DR-R&EL
f _{EL, max}
t_stop
T_stop
Limit values
Min Typ Max
38 45 52
38 45 52
76 90 104
153 180 207
306 360 414
616 720 828
117
1.232 1.44 1.656
590 737 848
Unit
µs
µs
µs
µs
µs
µs
Hz
ms
ms
Remarks
Def. Fig.9
Def. Fig. 9
1) _{If no magnetic switching edge is detected for a period longer than Tstop, the stand}
still pulse is issued.
TLE4942 - TLE4942C Data Sheet
11
February 2002