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Dual axis linear magnetic sensor multidimension AMR2302 with offset coil resistance and stable output

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Dual axis linear magnetic sensor multidimension AMR2302 with offset coil resistance and stable output

Voltage - Supply : 1.8V~12V

Description : SOP-16 Linear, Compass (ICs) RoHS

Mfr. Part # : AMR2302

Model Number : AMR2302

Package : SOP-16

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Product Overview

The AMR2302 is a high-accuracy, low-noise dual-axis linear magnetic sensor utilizing Anisotropic Magnetoresistance (AMR) technology. It employs two push-pull Wheatstone bridges for effective temperature drift compensation and minimal noise, offering excellent temperature stability. Available in a SOP16 package, it is suitable for weak magnetic field sensing, current sensing, position sensing, and magnetometer applications.

Product Attributes

Brand: MultiDimension Technology Co., Ltd.
Origin: Jiangsu, China
Technology: Anisotropic Magnetoresistance (AMR)
Package: SOP16
Packing Form: Tape & Reel

Technical Specifications

Part Number	Linear Range	Sensitivity	Set/reset Coil Resistance	Offset Coil Resistance	Noise Density	Package
AMR2302P	±3 Gs	0.9 mV/V/Gs	5 Ω	45 Ω	300 pT/√Hz	SOP16

Parameter	Symbol	Condition	Min.	Typ.	Max.	Unit
Supply Voltage	VCC	Bridge voltage, referenced to ground	1.8		12	V
Bridge Resistance	RB	I = 5 mA	600	650	1100	Ω
Field Range	BSAT	Full scale (FS)	-6		6	Gs
Linearity Error	NONL	Fit in: ±1 Gs		0.05		%FS
Linearity Error	NONL	Fit in: ±3 Gs		0.15		%FS
Linearity Error	NONL	Fit in: ±6 Gs		1.0	1.6	%FS
Hysteresis Error	HYS	2 sweeps, across ±6 Gs		0.05		%FS
Repeatability Error	Brepeat	2 sweeps, across ±6 Gs		0.08		%FS
Bridge Offset	VOFFSET	VOFFSET = (VOUT+) - ( VOUT -), B = 0 Gs, after set pulse	-10	±2	+10	mV/V
Sensitivity	SEN		-0.6	0.9	1.1	mV/V/Gs
Voltage Noise Density	Vnoise	At 1 Hz		25		nV/√Hz
Magnetic Noise Density	Bnoise	At 1 Hz		300		pT/√Hz
Resolution	RES	Bandwidth = 10 Hz		40		μGs
Bandwidth	BW	Magnetic signal (lower limit = DC)		5		MHz
Offset Coil Resistance	ROFFCOIL	Measured from OFFSET+ to OFFSET-	35	45	55	Ω
Offset Field	BOFFCOIL	Field applied in sensitive direction	4.0	5.0	7.0	mA/Gs
Set/Reset Coil Resistance	RS/R	Measured between S/R+ and S/R-	3	5	7	Ω
Set/Reset Current	IS/R	2 μs current pulse	1	1.5	5	A
Disturbing Field	Bdisturb	Sensitivity starts to degrade, restore by S/R pulse		20		Gs
Sensitivity Temperature Coefficient	TCS	TA = -40 °C to 125 °C		-3800		PPM/°C
Bridge Offset Temperature Coefficient	TCO	TA = -40 °C to 125 °C, w/o set/reset		500		PPM/°C
Bridge Offset Temperature Coefficient	TCO	TA = -40 °C to 125 °C, w/ set/reset		10		PPM/°C
Resistance Temperature Coefficient	TCR	TA = -40 °C to 125 °C		2700		PPM/°C
Cross-Axis Effect	XB	Cross field = 1 Gs		±0.5		%FS

2504101957_multidimension-AMR2302_C17281172.pdf

Dual axis linear magnetic sensor multidimension AMR2302 with offset coil resistance and stable output Images

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