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unipolar hall effect sensor
|
Type Parameter |
AH 202 |
AH 3123 |
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|
Vcc(V) |
4.5-24.0 |
4.5-24.0 |
4.5-24.0 |
4.5-24.0 |
4.5-24.0 |
|
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|
Icc(mA) |
8.0 |
8.0 |
8.0 |
8.0 |
8.0 |
|
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|
Ioh(uA) |
5.0 |
5.0 |
5.0 |
5.0 |
5.0 |
|
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|
IoL(mA) |
25.0 |
25.0 |
25.0 |
25.0 |
25.0 |
|
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|
VoL(V) |
0.4 |
0.4 |
0.4 |
0.4 |
0.4 |
|
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|
Bop(Gs) |
60 |
90 |
110 |
220 |
120 |
200 |
120 |
200 |
180 |
160 |
|
|
Bor(Gs) |
10 |
20 |
30 |
50 |
40 |
50 |
30 |
50 |
30 |
30 |
|
|
Hw(Gs) |
15-30 |
30-60 |
20-50 |
20-50 |
30-60 |
|
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|
Package |
TO-92UA |
SOT-89 |
TO-92UA |
SOT-23-3L |
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Unipolar Hall-effect sensor ICs, often referred to as "unipolar switches," are operated by a positive magnetic field. A single magnet presenting a south polarity (positive) magnetic field of sufficient strength (magnetic flux density) will cause the device to switch to its on state. After it has been turned-on, the unipolar IC will remain turned-on until the magnetic field is removed and the IC reverts to its off state.