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參數(shù)資料
| 型號： | TLE4946H |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | High Precision Hall-Effect Switch |
| 中文描述： | 高精度霍爾效應開關 |
| 文件頁數(shù)： | 5/9頁 |
| 文件大?。?/td> | 147K |
| 代理商： | TLE4946H |
TLE4946H
AC/DC Characteristics
over operating range, unless otherwise specified. Typical values correspond to V
S
=12V
and T
A
=25°C.
Parameter
Symbol
min.
Supply Current
I
S
2
Reverse Current
I
SR
0
Output Saturation Voltage
V
QSAT
-
Output Leakage Current
IQ
LEAK
-
0.05
Output Fall Time
t
f
-
0.02
Data Sheet
5/9
2003-11-20
typ.
4
0.2
0.3
max.
6
1
0.6
10
1
Unit Conditions
mA
V
S
= 2.7V .. 18V
mA
V
S
= -18V
V
I
Q
= 20mA
μA
for V
Q
=18 V
μs
R
L
= 1.2 kOhm ;C
L
=50pF;
Figure 3
μs
R
L
= 1.2 kOhm ;C
L
=50pF;
Figure 3
kHz
kHz
μs
μs
RMS
Typ. Value for Square-Wave
Signal 1kHz
μT
RMS
Typ. Value for
B/
t>12mT/ms
μs
V
S
>= 2.7V
K/W
Output Rise Time
t
r
-
0.4
1
Chopper Frequency
Switching Frequency
Delay Time
2)
Output Jitter
3)
f
OSC
f
SW
t
d
t
QJ
-
0
-
-
320
-
13
1
-
15
1)
-
-
Repeatability of magnetic
thresholds
Power-On Time
5)
Thermal Resistance
6)
P-SC59-3-2
1)
To operate the sensor at the max. switching frequency, the value of the magnetic signal
amplitude must be 1.4 times higher than for static fields. This is due to the -3dB corner frequency
of the low pass filter in the signal path.
2)
Systematic delay between magnetic threshold reached and output switching.
3)
Jitter is the unpredictable deviation of the output switching delay.
4)
B
REP
is equivalent to the noise constant.
5)
Time from applying V
S
>= 2.7 V to the sensor until the output state is valid.
6)
Thermal resistance from junction to ambient.
e.g.: V
S
=12.0 V, I
S_typ
=4 mA, V
QSAT_typ
=0.3 V and I
Q
=20 mA => Power Dissipation P
dis
=54.0 mW.
In T
A
= T
j
– (R
thJA
* P
dis
) = 175 °C – (100 K/W * 0.054 W) => T
A
= 169.6 °C
B
REP
-
20
-
t
PON
R
thJA
-
-
13
100
-
-
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