TLE4955C-E4 Datasheet, PDF (11/24 Pages) Infineon Technologies AG – Differential Hall Effect Transmission Speed Sensors

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TLE4955C-E4
Operating Range
5
Operating Range
All parameters specified in the following sections refer to these operating conditions unless otherwise
noticed.
For further details please refer to relevant Application Note.
Table 3 Operating Range
Parameter
Symbol
Supply voltage
Supply voltage
modulation
Operating junction
temperature
Junction temperature
variation between two
consecutive magnetic
edges
V_DDIC
V_AC
T_j
either
or
or
or
or
T_{j_var}
Values
Unit
Min. Typ. Max.
4
20
V
6
V
-40
110 °C
125 °C
150 °C
160 °C
170 °C
-60
60
K
Frequency range of
f
magnetic input signal²⁾
Bias-induction³⁾
B_o
0
12
kHz
-500
+500 mT
Differential bias-
induction³⁾
ΔB_{stat l/r}
-30
+30 mT
Differential bias-induction ΔB_{stat m/o} -30
between mean value at
left, right and center
sensing elements³⁾
+30 mT
Speed signal range
ΔB_speed,range -120
120 mT
Minimum speed signal ΔB_{speed- limit} 0.6
1.1 2.0
mT
Minimum direction signal ΔB_dir-limit
0.9 2.2
mT
1) Sine wave.
2) No time based watchdog.
3) Not subject to production test, verified by design/characterization.
4) 99% criterion stands for 1 out of 100 pulses is missing.
Note or Test Condition
Directly on the IC leads
V_DD = 13 V; 0< f_mod < 150 kHz¹⁾
peak-to-peak
12500 h
10000 h
5000 h
2500 h
500 h
Values apply for ΔB_speed and
ΔB_dir > 2.5mT (amplitude) in
calibrated mode. In case of
uncalibrated sensor, values
apply for ΔB_speed and ΔB_dir >
7.5mT (amplitude)³⁾.
Magnetic bias induction at the
position of each sensing
element (B₁, B₂, B₃)
Difference of the magnetic bias
induction between left (B₁) and
right (B₂) sensing element
Difference of the magnetic bias
induction between (B₂+B₁)/2
and B₃
Amplitude value
99% criteria⁴⁾
Amplitude value
99% criteria⁴⁾
Data Sheet
11
Version 1.00
2016-06-01