DESCRIPTION

· The Si7210 family of Hall effect magnetic sensors integrates a chopper-stabilized Hall element, low-noise analog amplifier, 13-bit ADC, and I2C interface.

· It utilizes digital signal processing for precise temperature and offset drift compensation.

· Offers industry-leading sensitivity, enabling use with larger air gaps and smaller magnets.

· Features a high-precision 13-bit ADC for high output linearity and low noise.

· Designed for low power consumption, ideal for battery-powered applications.

· Supports a bidirectional I2C interface for full configurability of sensor operate and release points.

FEATURES

· High-Sensitivity Hall Effect Sensor.

· Adjustable Full Scale (±20mT and ±200 mT).

· Integrated Digital Signal Processing for Temperature and Offset Drift Compensation.

· High-Precision 13-bit Signal Path.

· Output Bandwidth up to 20 kHz.

· Sensitivity Drift < ±5% over 0-70 °C.

· Digital I2C Interface with Four Selectable I2C Addresses.

· Optional Digital Alert Output.

· Wide 1.7 to 5.5 V Power Supply Voltage.

· Temperature Sensor Data available by I2C (accuracy ±1°C).

· Low 50 nA Sleep Mode Current Consumption.

· Industry-Standard Packaging: Surface-Mount SOT23-5 and 8-pin DFN package.

APPLICATIONS

· Mechanical position sensing in consumer and industrial applications.

· Replacement of reed switches.

· Fluid level measurement.

· Speed sensing.

· Utility meters.

· Control knobs and selector switches.