tle4942-2 Infineon Technologies Corporation, tle4942-2 Datasheet - Page 7

• Manufacturer Part Number: tle4942-2
• Description: Differential Two-wire Hall Effect Sensor
• Manufacturer: Infineon Technologies Corporation

2
TLE4942-2 - TLE4942-2C Data sheet supplement
Parameter
Signal behaviour after
undervoltage or
standstill>t
Systematic phase error
of output pulses during
startup- and
uncalibrated mode
Phase shift change
during PGA switching
Phase shift change
during transition from
uncalibrated to
calibrated mode
Number of pulses in
uncalibrated mode
in rare cases (see
appendix B)
Number of pulses with
invalid supplementary
information
in rare cases (see
application notes)
Additions/Changes for TLE4942–2 versus TLE4942
(All values are valid for constant amplitude and offset of input signal, f<2500Hz)
Stop
Symbol
n
n
n
n
n
DZ-Start
DZ-Startup
DZ-Startup
DR-Startup
DR-Startup
switch
min.
-88
-90
38
38
0
TLE4942-2, TLE4942-2C Supplement
7
typ.
45
45
max. Unit
+88
+90
52
52
80
11
2
3
6
8
9
pulses
pulses
µs
µs
°
°
°
pulses
pulses
pulses
pulses
Conditions
Magnetic edge
amplitude according to
Edges that occur before
n
suppressed
1Hz
f > 2000Hz
t
into account
Shortest time delay
between pulse 0 (stop
pulse) and pulse 1
t
into account
Shortest time delay
between
wheel speed pulse 1
and 2
Systematical phase
error of “uncal” pulse;
nth vs. n+1th pulse
(does not include jitter)
After n
the supplementary
information is correct
(starting with the
n
pulse length is correct)
d,input
d,input
DZ-Start
DR-Startup
B ˆ
Limit,
has to be taken
has to be taken
f
DR-Startup
can be
early
+1-th pulse the
2000Hz
February 2002
startup
pulses