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ALLEGRO ALS31313KLEATR 2000 3D Hall Effect Sensor for Joystick Mode and Back Bias Magnet Integration

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ALLEGRO ALS31313KLEATR 2000 3D Hall Effect Sensor for Joystick Mode and Back Bias Magnet Integration

Current - Supply : 12uA

Operating Temperature : -40℃~+125℃

Voltage - Supply : 2.65V~3.5V

Sensitivity Temperature Bleaching : ±0.12%/℃

Magnetic Field Range : ±200mT

Description : TSSOP-8 Linear, Compass (ICs) RoHS

Mfr. Part # : ALS31313KLEATR-2000

Model Number : ALS31313KLEATR-2000

Package : TSSOP-8

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Product Overview

The Allegro MicroSystems ALS31313 is an automotive-grade, 3D linear Hall-effect sensor IC designed for precise magnetic field measurement across X, Y, and Z axes. It provides a 12-bit digital output proportional to the magnetic field, making it ideal for 3D sensing applications such as head-on linear motion, slide-by position sensing, and rotation angle measurements. The sensor supports a joystick mode with a low-gain Z-axis option for back-bias magnet integration, eliminating the need for traditional spring-based solutions. It offers highly configurable power management, including a low-power sleep mode consuming as little as 14 nA (typical), making it suitable for portable, battery-operated devices. The ALS31313 features an industry-standard I2C interface for easy system integration and is available in multiple sensitivity ranges (500 G, 1000 G, 2000 G).

Product Attributes

Brand: Allegro MicroSystems
Qualification: AEC-Q100 automotive qualified
Package: 8-Pin TSSOP (LE)
Plating: 100% matte-tin leadframe plating
Material: Lead (Pb) free

Technical Specifications

Feature	Specification	Details
Sensing Axes		X, Y, and Z axes
Output Resolution		12-bit digital value
Sensitivity Options		500 G, 1000 G, 2000 G
Joystick Mode		Yes, with low gain option for Z axis
I2C Interface		Up to 1 MHz (Fast Mode+), 1.8 V compatible
I2C Addressing		16 unique addresses via external resistors; 127 unique addresses programmable via EEPROM
User EEPROM		78 bits
Power Supply		2.65 V to 3.5 V single supply operation
Supply Current (Sleep Mode)		14 nA (typical)
Supply Current (Low-Power Duty Cycle Mode)		12 A to 2 mA (typical)
Operating Temperature Range		-40C to 125C
ADC Accuracy		10-bit ENOB (Effective Number of Bits)
Factory-Trimmed Sensitivity Accuracy		1% (typical)
Integrated Components		Temperature sensor, charge pump
Part Number Examples	ALS31313KLEATR-500	500 G range
	ALS31313KLEATR-1000	1000 G range
	ALS31313KLEATR-2000	2000 G range
	ALS31313KLEATR-JOY	Joystick mode
Package Dimensions	TSSOP8	Refer to Package Outline Drawing

2304140030_ALLEGRO-ALS31313KLEATR-2000_C2654975.pdf

ALLEGRO ALS31313KLEATR 2000 3D Hall Effect Sensor for Joystick Mode and Back Bias Magnet Integration Images

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