tle4942 Infineon Technologies Corporation, tle4942 Datasheet - Page 13

• Manufacturer Part Number: tle4942
• Description: Differential Two-wire Hall Effect Sensor-ic For Wheel Speed Applications With Direction Detection
• Manufacturer: Infineon Technologies Corporation

Data Sheet
Table 4
Parameter
Magnetic edges required
for offset calibration
in rare cases
(see Appendix B)
Number of pulses in
uncalibrated mode
in rare cases
(see Appendix B)
Number of pulses with
invalid direction
information
∆
∆
Number of pulses with
invalid assembly bit
information
Number of pulses where
the airgap warning
information is suppressed
Signal behavior after
undervoltage or
standstill >
Number of magnetic
edges where the first
pulse in given.
Shortest time delay
between pulse 0 (stop
pulse) and pulse 1
B
B
< ∆
> ∆
B
B
EL
EL
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
t
Stop
2)
Symbol
n
n
rare
n
n
rare
n
n
n
n
DZ-calibration-
DZ-calibration
DZ-Startup
DZ-Startup-
DR-Startup
EL-Startup
LR-Startup
DZ-Start
min.
–
–
–
–
–
–
–
–
–
293
V
13
CC
Limit Values
= 12 V and
typ.
–
–
–
–
–
–
–
–
–
345
max.
6
8
5
7
7
2
7
5
2
397
2)
4)
T
A
= 25°C
Unit
magn.
edges
edges
pulses
pulses
pulses After
pulses After
pulses LR information is
edges Magnetic edge
µs
7
pulses + 1 the
direction
information is
correct
pulses + 1 the
assembly bit
information is
correct
provided only in
calibrated mode
according to
∆
t
taken into account
Reference rising
edges, includes
pre low length
Remarks
d,input
th
B
ˆ
TLE4942-1C
edge correct
Limit, early startup
V 3. 1, 2005-02
TLE4942-1
has to be
n
n
DR-Startup
EL-Startup
3)