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| TLE4955C Datasheet, PDF (11/21 Pages) Infineon Technologies AG – Differential Hall Effect Transmission Speed Sensors | |||
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Confidential
TLE4955C
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
Values
Unit
Note or Test Condition
Min. Typ. Max.
Supply current low
Supply current high
Supply current ratio
Output rise/fall slew rate
ILow
IHigh
IHigh/ILow
SRr, SRf
Reset voltage
VDD Reset
Power on time1)
tON
Magnetic edges required for nstart
first output pulse1)
67 8
12 14 16
1.9
2.2
8 17 26
3.7 4
1
2
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
Number of output pulse
nVH-Startup
until active vibration
suppression via hysteresis1)
0 pulse
Active after power on
Number of output pulse
until active vibration
suppression via direction
detection1)
nVD-Startup
2 pulse
vibration suppression
activated with complete 3rd
magnetic signal period
Number of magnetic periods nDR-Start
generating missing output
pulses or pulse without
direction information1)
1 pulse
3 pulse
Invalid direction after
change of direction1)
Period Jitter1), f ⤠2500 Hz
Period Jitter1), 2500Hz< f <
12 kHz
Period Jitter at board net
ripple1)
nIAC
SJit-far, Tjâ¤150 °C
SJit-far, Tjâ¤170 °C
SJit-far, Tjâ¤150 °C
SJit-far, Tjâ¤170 °C
SJit-AC
1 pulse
± 1.6 %
± 2.4 %
± 2.7 %
± 4.0 %
±2.0 %
1) Not subject to production test, verified by design/characterization.
2) Either condition or both simultaneously need to be applied.
3) Values based on 3Ï measurements.
ÎBdir > 2*ÎBdir-limit and
ÎBspeed > 2*ÎBspeed-limit
ÎBdir-limit < ÎBdir < 2*ÎBdir-limit
or ÎBspeed-limit < ÎBspeed <
2*ÎBspeed-limit 2)
2nd pulse correct if ÎBdir >
ÎBdir-limit
1Ï value3), VDD=12 V, ÎBspeed
>2 mT (amplitude)
1Ï value5), VDD=12 V,
ÎBspeed>2 mT (amplitude)
VCC= 13 V + 3 Vpp;
1Ï; 0< fmod<150 kHz;
ÎBspeed=7.5 mT
Data Sheet
11
Version 1.0
2016-06-15
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