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| TLE4955C-E4 Datasheet, PDF (13/24 Pages) Infineon Technologies AG – Differential Hall Effect Transmission Speed Sensors | |||
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Confidential
TLE4955C-E4
Electrical Characteristics
6
Electrical Characteristics
All values specified at constant amplitude and offset of input signal, over operating range, unless otherwise
specified. Typical values correspond to VDD = 12 V and Tj = 25 °C.
Table 4 Electrical Characteristics
Parameter
Symbol
Min.
Supply current low
ILow
6
Supply current high
IHigh
12
Supply current ratio
IHigh/ILow
1.9
Output rise/fall slew rate SRr, SRf
8
Reset voltage
Power on time1)
Magnetic edges required
for first output pulse1)
VDD Reset
tON
nstart
Number of output pulse
until active vibration
suppression via
hysteresis1)
nVH-Startup
Number of output pulse
until active vibration
suppression via direction
detection1)
nVD-Startup
Number of magnetic
periods generating
missing output pulses or
pulse without direction
information1)
nDR-Start
Invalid direction after
nIAC
change of direction1)
Period Jitter1), f ⤠2500 Hz SJit-far,
Tjâ¤150 °C
SJit-far,
Tjâ¤170 °C
Values
Typ. Max.
7
8
14 16
2.2
17 26
3.7 4
1
2
0
2
1
1
3
1
± 1.6
± 2.4
Unit
Note or Test Condition
mA
mA
mA/μs
V
Valid for tr and tf, between
10% and 90% value RM=75 Ω,
Tj<175 °C
ms
VDD > 4 V
magn. edge No vibration, pulse occurs
only on rising magnetic edge
pulse
Active after power on
pulse
pulse
pulse
pulse
pulse
%
%
vibration suppression
activated with complete 3rd
magnetic signal period
ÎBdir > 2*ÎBdir-limit and
ÎBspeed > 2*ÎBspeed-limit
ÎBdir > 1.25*ÎBdir-limit and
ÎBspeed > 1.25*ÎBspeed-limit
and f ⤠2.5 kHz 2)
ÎBdir-limit < ÎBdir < 2*ÎBdir-limit
or ÎBspeed-limit < ÎBspeed <
2*ÎBspeed-limit 3)
2nd pulse correct if ÎBdir >
ÎBdir-limit
1Ï value4), VDD=12 V, ÎBspeed
>2 mT (amplitude)
Data Sheet
13
Version 1.00
2016-06-01
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