TLE4941-2 Datasheet, PDF (6/8 Pages) Infineon Technologies AG – Differential Two-Wire Hall Effect Sensor IC

TLE4941-2, TLE4941-2C Supplement
2 Additions/Changes for TLE4941–2 versus TLE 4941
(All values are valid for constant amplitude and offset of input signal, f<2500Hz)
Parameter
Signal behaviour
after undervoltage
or standstill>t_Stop
Symbol
n_DZ-Start
min. typ. max. Unit
Conditions
Magnetic edge
amplitude according
to
∆Bˆ _{Limit, early startup}
Systematic phase
error of output
edges during start-
up and
uncalibrated
mode
Phase shift change
during PGA
switching
Phase shift change
during transition ∆Φ_switch
from uncalibrated
to calibrated mode
Number of edges
in uncalibrated
mode
n_DZ-Startup
in rare cases (see
appendix B)
n_DZ-Startup
Edges that occur
before n_DZ-Start
can be suppressed
2 edges 1Hz ≤ f ≤ 2000Hz
3 edges f > 2000Hz
t_d,input has to be taken
into account
Shortest time delay
38
µs
between input signal
edge 1 and 2
t_d,input has to be taken
into account
Systematical phase
-88
+88 °
error of “uncal”
edge; nth vs. n+1th
edge (does not
include random
phase error)
after the 2^nd edge
0
80 °
-90
+90 °
6 edges
8 edges
TLE4941-2 - TLE4941-2C
6
Datasheet supplement
February 2002