Product Overview
The Melexis MLX90251 is a CMOS programmable ratiometric linear Hall effect sensor. All transfer parameters (VOQ, sensitivity, clamping, temperature compensation) are programmable via EEPROM in a 4-pin SIP package.
Key Specifications
| Function | Programmable Linear Hall Effect Sensor |
| Output Type | Analog Ratiometric Voltage |
| Supply Voltage | 4.5V to 5.5V |
| Supply Current | 9 mA max |
| Sensitivity Range | 2.6 to 210 mV/mT programmable |
| VOQ Range | -100% to 200% VDD programmable |
| Temp Compensation | 1st and 2nd order programmable |
| Max Supply Voltage | 30V (overvoltage) |
| Operating Temperature | -40 to +85C (E grade) |
| Package | 4-Pin SIP (VA package) |
Features
- Quad switched Hall plate with chopper stabilization
- Full programmability via EEPROM (PTC interface)
- Ratiometric output eliminates supply variation error
- Programmable VOQ, sensitivity, clamping, filter, TC
- Unique Melexis ID + 24-bit user serial number
- Memory lock and parity protection
Applications
- Linear and rotary position sensing
- Current sensing via magnetic field
- Throttle and pedal position
- Non-contact angle measurement