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Tunneling Magnetoresistive Sensors |
Sensor Features
- Good temperature stability
- High sensitivity
- Lower power consumption
- Good linearity
- no additional flux concentrator for increasing sensitivity
|
Typical applications
- Proximity Switches
- Magnetic field measurements
- Rotational speed measurements
- Angle measurements
- Current sensing
- Magnetic image sensing etc.
|
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| Comparison between different Magnetic Sensors |
| Technology |
Hall Effect |
AMR - Anisotropic Magnetoresistance |
GMR - Giant Magnetoresistance |
TMR - Tunneling Magnetoresistance |
| Power Consumption (mA) |
5 ~ 5 |
1 ~ 10 |
1 ~ 10 |
0.001 ~ 0.6 |
| Field Sensitivity (mV/V/Oe) |
~ 0.74 |
1 ~ 3 |
1 ~ 3 |
~ 100 |
| Dynamic Range (Oe) |
~ 30000 |
~ 10 |
~ 100 |
~ 1000 |
| Temperature Performance (°C) |
-40 ~ 150 |
-40 ~ 150 |
-40 ~ 150 |
-40 ~ 200 |
| Typical Application and Products |
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