The Si7210 family of Hall-effect magnetic sensors from Silicon Labs features an I2C interface which enables full configurability of the sensor operate and release points and allows measurement of the magnetic field strength. The Si7210 sensor integrates a chopper-stabilized Hall element, low-noise amplifier, 13-bit ADC and comparator in a single compact package with I2C functionality.
• Digital I2C Interface with 4 selectable addresses
• Optional Digital Alert output
• Optional ratiometric analogue output
• Optional Tamper detect versions
• Wide 1.7 to 5.5 V operating voltage range
• Industry-leading sensitivity allows use with larger air gaps and smaller magnets
• Low power consumption to improve operating life in battery powered applications
• Compact 5-pin SOT23 package
• AEC-Q100 Qualified for automotive applications
Feature
- Ultra-low power: 100 nA sleep power for parts with disable feature
- Analog, PWM and SENT outputs available
- High Linearity: 0.15%
- Low noise: < 30 µT RMS
- 1.71 - 5.5 V and 3.3 - 26.5 V supply range
- Available in 0 to 70 °C and -40 to +125 °C variants
- Available in industry standard SOT23 and TO92 packages
