tle4942 Infineon Technologies Corporation, tle4942 Datasheet - Page 14

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

Table 4
Parameter
Shortest time delay
between wheel speed
pulse 1 and 2 and all
further pulses
Phase shift change
during PGA switching
Phase shift change during
transition from uncalibrated
to calibrated mode
Frequency
Frequency changes
Duty cycle
Jitter,
1 Hz <
Jitter,
2500 Hz <
Jitter,
1 Hz <
Jitter,
2500 Hz <
Data Sheet
T
T
T
T
T
T
T
T
f
f
j
j
< 2500 Hz
j
j
j
j
< 2500 Hz
j
j
< 150°C
< 170°C
< 150°C
< 170°C
< 150°C
< 170°C
< 150°C
< 170°C
f
f
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
< 5000 Hz
< 5000 Hz
Symbol
∆Φ
f
df/dt
duty
S
S
S
S
Jit-close
Jit-close
Jit-far
Jit-far
switch
min.
38
0
– 90
1
2500
–
40
–
–
–
–
–
–
–
–
V
CC
14
Limit Values
= 12 V and
45
–
–
50
typ.
–
–
–
–
–
–
–
–
–
–
–
max.
52
80
+ 90
2500
5000
± 100 Hz/ms
60
± 2
± 3
± 3
± 4.5
± 4
± 6
± 6
± 9
T
A
= 25°C
Unit
µs
°
°
Hz
%
%
%
%
%
Remarks
Falling to rising
edge - identical
with pre low bit
length
5)
6)
@∆
sine wave Def.
Figure 7
7)
V
∆
7)
V
∆
7)
V
2 mT ≥ ∆
7)
V
2 mT ≥ ∆
B
B
Measured
1σ value
CC
1σ value
CC
1σ value
CC
1σ value
CC
TLE4942-1C
V 3. 1, 2005-02
≥ 2 mT
≥ 2 mT
B
= 12 V
= 12 V
= 12 V
= 12 V
TLE4942-1
= 2 mT
B
B
> ∆
> ∆
B
B
Limit
Limit