Table 3.
Comparison of magnetic sensor technologies based on key performance parameters.
| Technologies | ||||
|---|---|---|---|---|
| Parameters | TMR | Hall Effect | GMR | AMR |
| High Sensitivity | High | Moderate | High | Low |
| Low Power Consumption | Low | Moderate | Moderate | High |
| Temperature Stability | High | Low | Moderate | Low |
| Angle Detection | 360° | 360° | Limited | Limited |
| Linear Range (Oe) | ∼1000 | >10,000 | ∼100 | ∼10 |
| Detectivity (nT/Hz^1/2) | ∼0.1 | >100 | ∼10 | ∼1 |
| Applications | Magnetic field sensing | Current, position sensing | Magnetic field sensing | Magnetic field sensing |
| Health Status Detection | Suitable | Suitable | Suitable | Suitable |