Electrical performance
Drive current
Nominal: 1 mA
Maximum for accurate measurements: 5 mA*
Maximum to avoid possible sensor damage: 10 mA*
*This value may vary depending on the thermal environment around the sensor
and the temperature compensation approach.
Hall voltage
| Sensitivity (Hall voltage vs field value) | 2X-250 standard performance | 2X-251 high performance |
| Nominal sensitivity (S) at 1 mA drive current | 51.5 ± 1 mV/T | 51.5 ± 0.5 mV/T |
| Drive current normalized sensitivity (SA) | 51.5 ± 1 V/T/A | 51.5 ± 0.5 V/T/A |
| Temperature coefficient of sensitivity (-20 to 80 °C) | 0.03%/°C | 0.03%/°C |
| Maximum linearity error (to 1 T) | ±0.75% | ±0.25% |
| Maximum linearity error (to 3 T) | ±1% | ±0.5% |
| Offset voltage (output voltage at zero field) | 2X-250 standard performance | 2X-251 high performance |
| Zero field offset at 1 mA drive current | ±100 μV | ±25 μV |
| Drive current normalized zero field offset | ±100 mV/A | ±25 mV/A |
| Effective zero field offset | ±2 mT (20 G) | ±0.5 mT (5 G) |
Resistance
Sensor resistance at 23 °C: 800 ± 100 Ω
Typical temperature coefficient of resistance: 1.1%/°C
Environment
Temperature
| | Minimum temperature | Maximum temperature |
| 2X-250-FA Flat axial (coming soon) | -272 °C (1 K) | 125 °C (402 K) |
| 2X-250-FT Flat transverse (coming soon) | -272 °C (1 K) | 125 °C (402 K) |
| 2X-250-AI Axial insert (coming soon) | -196 °C (77 K) | 125 °C (402 K) |
| 2X-250-3D 3-axis (coming soon) | 0 °C (273 K) | 100 °C (373 K) |
| 2X-250-SH Extreme environment (coming soon) | -272 °C (1 K) | 200 °C (473 K) |
Vacuum
| Package | Rating |
| FA, FT, AI, 3D | High vacuum (down to 10-4 Pa) |
| SH | Ultra-high vacuum (down to 10-10 Pa) |
2Dex™ example circuit (click to expand)
