TLE4942-1
TLE4942-1C
Table 4 Electrical Characteristics (cont’d)
All values specified at constant amplitude and offset of input signal, over
operating range, unless otherwise specified.
Typical values correspond to VCC = 12 V and TA = 25°C
Parameter
Symbol
Limit Values
Unit Remarks
min. typ. max.
Magnetic edges required n – DZ-calibration
–
6 2)
magn. 7th edge correct 3)
for offset calibration 2)
edges
in rare cases
(see Appendix B)
Number of pulses in
uncalibrated mode
n – DZ-calibration-
–
8
edges
rare
nDZ-Startup
–
–
5
pulses
in rare cases
(see Appendix B)
n – DZ-Startup-
–
7
pulses
rare
Number of pulses with
invalid direction
nDR-Startup
pulses After nDR-Startup
pulses + 1 the
information
direction
∆B < ∆BEL
∆B > ∆BEL
–
–
7
–
–
2 4)
information is
correct
Number of pulses with
nEL-Startup
–
–
7
pulses After nEL-Startup
invalid assembly bit
pulses + 1 the
information
assembly bit
information is
correct
Number of pulses where nLR-Startup –
–
5
pulses LR information is
the airgap warning
provided only in
information is suppressed
calibrated mode
Signal behavior after
nDZ-Start
–
–
2
edges Magnetic edge
undervoltage or
according to
standstill > tStop
Number of magnetic
edges where the first
∆ Bˆ
Limit, early startup
td,input has to be
taken into account
pulse in given.
Shortest time delay
between pulse 0 (stop
pulse) and pulse 1
293 345 397 µs
Reference rising
edges, includes
pre low length
Data Sheet
13
V 3. 1, 2005-02