tle4942c Infineon Technologies Corporation, tle4942c Datasheet - Page 10

• Manufacturer Part Number: tle4942c
• Description: Differential Two-wire Hall Effect Sensor Ic
• Manufacturer: Infineon Technologies Corporation

Initial calibration delay
time
Magnetic edges
required for initial
calibration
Number of emitted
pulses with invalid
supplementary
information
Frequency
Frequency changes
Duty cycle
Jitter, T
Jitter, T
Jitter at board net
ripple
* See Appendix B
1)
power-up or after a stand still condition. During that phase the output is disabled.
2)
(The first pulse after starting with the speed signal can have any length < t
output pulses might have any length < t
3)
cycle is permitted for short time periods.
TLE4942 - TLE4942C Data Sheet
The sensor requires up to n
The first 3 pulses containing direction information can have the wrong rotation information.
During fast offset alterations, due to the calibration algorithm, exceeding the specified duty
T
T
j
j
j
j
< 150°C
< 150°C
< 170°C
< 170°C
1)
2)
t
n
n
f
df/dt
duty
S
S
S
d,input
start
DR-Start
Jit-close
Jit-far
Jit-AC
start
magnetic switching edges for valid speed information after
Stop
40
).
1
10
50
2500
±100
300
6 *
3 *
60
±2
±3
±4
±6
±2
magn.
magn.
Hz/ms
edges
edges
TLE4942, TLE4942C
Hz
µs
%
%
%
%
%
%
Additional to
n
3)
@ B = 2mT
sine wave
Def. Figure 7
1 s value
V
?B
1 s value
V
(2mT ) B >
V
0 < f < 50kHz
start
B
B = 15 mT
CC
CC
CC
Measured
Stop
Limit
=13V±6V
February 2002
= 12 V
= 12 V
. At BLimit
2mT
pp