TLE4955C Datasheet, PDF (10/21 Pages) Infineon Technologies AG – Differential Hall Effect Transmission Speed Sensors

Confidential
TLE4955C
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 also to any relevant Application Notes.
Table 3 Operating Range
Parameter
Symbol
Values
Unit Note or Test Condition
Min. Typ. Max.
Supply voltage
V_DDIC
4
Supply voltage modulation V_AC
20 V Directly on the IC leads
6
V V_DD = 13 V; 0< f_mod < 150 kHz¹⁾ peak-to-
peak
Operating junction
temperature
T_j
either
-40
110 °C 12500 h
or
125 °C 10000 h
or
150 °C 5000 h
or
160 °C 2500 h
or
170 °C 500 h
Junction temperature
T_{j_var}
-60
variation between two
consecutive magnetic
edges³⁾
Frequency range of
f
0
magnetic input signal²⁾
Bias-induction³⁾
B_o
-500
Differential bias-induction³⁾ ΔB_{stat l/r}
-30
60 K 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).
12 kHz
+500 mT
+30 mT
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
Differential bias-induction ΔB_{stat m/o} -30
between mean value at left,
right and center sensing
elements³⁾
+30 mT Difference of the magnetic bias induction
between (B₂+B₁)/2 and B₃
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 0.1 0.18 0.36 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.
Amplitude value, 99% criteria⁴⁾
Amplitude value, 99% criteria³⁾⁴⁾
Note:
Magnetic parameters are valid for sinusoidal signals and characterized for f > 1 Hz.
Data Sheet
10
Version 1.0
2016-06-15