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參數(shù)資料
| 型號： | TLE4990-E6785 |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | Programmable Linear Output Hall Sensor |
| 中文描述： | 可編程線性輸出霍爾傳感器 |
| 文件頁數(shù)： | 12/24頁 |
| 文件大小： | 699K |
| 代理商： | TLE4990-E6785 |
TLE4990
Programmable Linear Hall Sensor
Electrical and Magnetic Parameters
Data Sheet
12
V 2.0, 2004-05
Magnetic Parameters
Table 5
Magnetic Characteristics
Parameter
Symbol Limit Values
Unit
Notes
min.
typ
max.
Sensitivity
S
15
-
180
mV/mT programmable for
TLE4990 and
TLE4990-E6785
1)
2)
mV/mT Version -E6782
1)
3)
Bipolar-Bit =1
4)
Bipolar-Bit =0
4)
1)
@ V
DD
= 5 V
2)
In the lowest programmable sensitivity range a sensitivity less or equal to min(S) is guaranteed.
In the highest programmable sensitivity range a sensitivity of greater or equal to max(S) is guaranteed.
The ratio of max(S) / min(S)
≥
15.
3)
@ 25 °C
19.8
±
13.05
26.1
±
115.8
99.9
20
20.2
±
204.5
409
±
118.2
100.1
Magnetic field
range
MFR
-
mT
4)
Not for the -E6782 version.
-
±
117.5
100
Version -E6782
5)
Linearity
Lin
α
%
5)
B
10%
is the magnetic field, at which
V
OUT
= 0.1 x
V
DD
.
B
90%
is the magnetic field, at which
V
OUT
= 0.9 x
V
DD
.
V
OUT,id
= [0.1 + 0.8 x (
B
-
B
10%
) / (
B
90%
-
B
10%
)] x
V
DD
.
Lin
= (
V
OUT
/
V
OUT,id
- 1) · 100% for all
V
OUT
between 10%
V
DD
and 90%
V
DD
.
6)
The temperature coefficient of the magnetic sensitivity is the slope of a linear least-square fit through
the real curve.
Temperature
coefficient of
sensitivity
200
350
500
ppm/
°C
TLE4990 and
TLE4990-E6782
6)
TLE4990-E6785
6)
T
a
= 25 °C
-150
0
150
Sensitivity drift
over lifetime
S
L
-0.9
-
0.9
%
Zero field drift
over
temperature
B
0
-500
-
150
μT
valid for
S > 80 mV/mT
7)
7)
For lower sensitivities, the zero voltage drift is dominant (see
Table 4
).
Resolution
B
n
20
-
60
μT
RMS
8)
8)
Equivalent to magnetic input noise at 25 °C. The equivalent magnetic input noise depends on the selected
sensitivity. At highest sensitivity it is typically 25 μT
RMS
, at lowest sensitivity it is typically 50 μT
RMS
at 25 °C.
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