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Three axis linear Hall effect sensor ALLEGRO ALS31300EEJASR JOY with flexible addressing and sleep mode

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Three axis linear Hall effect sensor ALLEGRO ALS31300EEJASR JOY with flexible addressing and sleep mode

Operating Temperature : -40℃~+85℃

Voltage - Supply : 2.65V~3.5V

Sensitivity Temperature Bleaching : ±0.12%/℃

Magnetic Field Range : ±200mT

Description : DFN-10-EP(3x3) Linear, Compass (ICs) RoHS

Mfr. Part # : ALS31300EEJASR-JOY

Model Number : ALS31300EEJASR-JOY

Package : DFN-10-EP(3x3)

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Product Overview

The ALS31300 is a three-axis linear Hall-effect sensor IC that provides a 12-bit digital value proportional to the magnetic field along the X, Y, and Z axes. It is preconfigured for 3D sensing applications including head-on linear motion, slide-by position sensing, and rotation angle measurements. The device also features a joystick mode with a low-gain option for the Z-axis, enabling the use of back-bias magnets for return-to-zero force. With its advanced low-power management, including a sleep mode consuming only 14 nA typical, it is ideal for portable, battery-operated applications. The ALS31300 offers flexible I2C addressing and is supplied in a compact 3 mm x 3 mm x 0.8 mm DFN package.

Product Attributes

Brand: Allegro MicroSystems
Package: 10-Contact DFN (EJ)
Lead Free: Yes
Leadframe Plating: 100% matte-tin

Technical Specifications

Model/Feature	Description	Value	Unit
Product Name	3-D Linear Hall-Effect Sensor with I2C Output and Advanced Low Power Management	ALS31300
Sensing Axes	X, Y, Z
Output Resolution	12-bit digital value
Sensitivity Ranges	500 G, 1000 G, 2000 G
Joystick Mode	Available, with low gain option for Z axis
I2C Addresses	16 unique (external resistors), 127 unique (EEPROM)
User EEPROM	78 bits
Sleep Mode Current	Typical	14	nA
Package Dimensions		3 x 3 x 0.8	mm
Supply Voltage	Single supply operation	2.65 to 3.5	V
I2C Compatibility	Up to 1 MHz (Fast Mode+), down to 1.8 V
Low-Power Duty Cycle Mode Current	Typical	12 A to 2 mA
Operating Temperature Range		-40 to 85	C
Accuracy (typ)	Factory-trimmed sensitivity	1	%
ADC ENOB		10	bits
ALS31300EEJASR-500	X/Y Channel Sensitivity	4	LSB/G
ALS31300EEJASR-500	Z Channel Sensitivity	4	LSB/G
ALS31300EEJASR-1000	X/Y Channel Sensitivity	2	LSB/G
ALS31300EEJASR-1000	Z Channel Sensitivity	2	LSB/G
ALS31300EEJASR-2000	X/Y Channel Sensitivity	1	LSB/G
ALS31300EEJASR-2000	Z Channel Sensitivity	1	LSB/G
ALS31300EEJASR-JOY	X/Y Channel Sensitivity	1	LSB/G
ALS31300EEJASR-JOY	Z Channel Sensitivity	0.25	LSB/G
Power-On Delay Time (typ)		600	s
EEPROM Write Delay Time		50	ms
Offset Error X/Y Axes (typ)		13.4	LSB
Offset Error Z Axis (typ)		11.8	LSB
Sensitivity Error X/Y Axes (typ)		0.7	%
Sensitivity Error Z Axis (typ)		0.6	%
RMS Noise X/Y Channels (typ)	BW Select = 0	4	LSB
RMS Noise Z Channel (typ)	BW Select = 0	1.5	LSB

2304140030_ALLEGRO-ALS31300EEJASR-JOY_C2654973.pdf

Three axis linear Hall effect sensor ALLEGRO ALS31300EEJASR JOY with flexible addressing and sleep mode Images

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