3D Linear Hall-Effect Sensor IC with I²C Output and Low-Power Management

ALS31300

The ALS31300 simplifies 3D magnetic position sensing, providing 12-bit digital output for each axis (X, Y, Z), I²C communication, and advanced low-power modes for battery-powered applications.

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Evaluation Board

Product Details

Top Features

X- and Y-axis sensing of joystick position
Z-axis sensing of “crouch” or push button motion
Capable of operating with back-bias magnets for joystick return-to-zero
Ideal for battery-powered, low-voltage applications
- 2.65 to 3.5 V single supply operation
- 1 MHz I²C compatibility down to 1.8 V
- 14 nA (typ) Sleep I_CC
- 12 μA to 2 mA I_CC (typ) in low-power duty cycle mode
Industry standard I²C interface for easy system integration
- Up to 1 MHz (Fast Mode+) I²C communication
- 16 selectable addresses via external resistor divider
- 127 available address configurable via EEPROM
On-chip EEPROM
- Stores factory- and user-configured settings
- 78 bits of user EEPROM for additional storage
- On-chip charge pump for easy programming
Flexible 12-bit ADC with 10-bit ENOB (Effective Number of Bits)
1% (typ) accurate factory-trimmed sensitivity options (±500 G, ±1000 G, and ±2000 G full-scale input)
Integrated temperature sensor
Wide ambient temperature range: –40°C to 85°C
10-contact 3 mm × 3 mm × 0.8 mm DFN package for implementation in low-profile, high-density PCB designs and space-constrained applications