sp000278512 Infineon Technologies Corporation, sp000278512 Datasheet - Page 14

• Manufacturer Part Number: sp000278512
• Description: Differential Two-wire Hall Effect Sensor Ic
• Manufacturer: Infineon Technologies Corporation

Data Sheet
Figure 5
Timing Characteristics
Parameter
Pre-low length
Speed signal
Length of DR-L pulse
Length of DR-R pulse
Output of DR-L/R pulse,
maximum frequency
From low - high frequency
From high - low frequency
PWM Current Interface
Between each magnetic transition and the rising edge of the corresponding output pulse
the output current is Low for
Following the signal pulse (current is High) is output.
If the magnetic direction field exceeds ∆
respectively, depending on the direction of rotation.
If the magnitude of the magnetic direction field is below ∆
suppressed when the frequency is below f
magnitudes of the magnetic differential field below ∆
I
I
High
Low
Definition of Rise and Fall Time
I
10%
t
r
50%
90%
Symbol
t
t
t
t
f
pre-low
S
DR-L
DR-R
DR, max
t
f
t
pre-low
min.
24
24
50
102
–
in order to allow reliable internal conveyance.
B
Dir
DR,max
11
, the output pulse lengths are 60 µs or 120 µs
Limit Values
typ.
30
30
60
120
1100
1000
t
1
(see section vibration suppression). For
B
Limit
max.
36
36
70
138
–
the signal is lost.
B
dir
Unit
µs
µs
µs
µs
Hz
, the output pulses are
AET03194
Remarks
Internal
hysteresis of
direction signal
V 2.0, 2007-02
t
TLE4953C
TLE4953