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Open type current sensor AKM CQ2234 featuring AI Shell package and magnetic core for AC DC current sensing

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Open type current sensor AKM CQ2234 featuring AI Shell package and magnetic core for AC DC current sensing

Description : Current Sensors RoHS

Mfr. Part # : CQ2234

Model Number : CQ2234

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Product Overview

The CQ-2234 is an open-type current sensor designed for high-accuracy and high-speed AC/DC current sensing. It utilizes a quantum well ultra-thin film InAs Hall sensor, integrated into a simple AI-Shell package with a magnetic core and primary conductor for space-saving and high reliability. This bidirectional sensor provides electrical isolation between the primary conductor and the sensor signal, operating on a 3.3V single supply with a ratiometric output. Key advantages include low variation and temperature drift of sensitivity and offset voltage, low noise output, and a fast response time, making it suitable for various industrial applications.

Product Attributes

Brand: Asahi Kasei Microdevices (AKM)
Sensor Type: Hall Sensor
Package Type: AI-Shell
Material: Quantum well ultra-thin film InAs (Indium Arsenide) for Hall sensor; Halogen free
Certifications: IEC/UL 62368-1, UL 508, CSA C22.2 No. 14 (IEC 62109 certification pending)
Lead Finish: 100% Tin

Technical Specifications

Parameter	Symbol	Conditions	Min.	Typ.	Max.	Units
Supply Voltage	VDD	Recommended Operating Conditions	2.7	3.3	3.63	V
Supply Voltage	VDD	Absolute Maximum Ratings	-0.3		6.5	V
Maximum Primary Current (RMS)	IRMSmax				50	A
Current Consumption	IDD	No loads		6.2	9.6	mA
Sensitivity	Vh	Ta = 25C, VDD = 3.3V		24.5		mV/A
Offset Voltage	Vof	Ta = 25C, VDD = 3.3V, IIN = 0A		1.650		V
Linear Sensing Range	INS		-54		54	A
Linearity Error		Ta = 25C, VDD = 3.3V	-1		1	%F.S.
Rise Response Time	tr	CL = 100pF		1		s
Fall Response Time	tf	CL = 100pF		1		s
Bandwidth	fT	-3dB, CL = 100pF			300	kHz
Output Noise	VNrms	100Hz to 4MHz		1.2		mVrms
Temperature Drift of Sensitivity	Vh-dmax	Ta = 40 to 110C			0.4	%
Temperature Drift of Offset Voltage	Vof-dmax	Ta = 40 to 110C, IIN = 0A			3.5	mV
Ratiometric Error of Sensitivity	Vh-R	VDD = 2.97V to 3.63V	-1		1	%
Ratiometric Error of Offset Voltage	Vof-R	VDD = 2.97V to 3.63V, IIN = 0A	-0.6		0.6	%F.S.
Total Accuracy	ETO	Ta = 40 to 110C			1.3	%F.S.
Primary Conductor Resistance	R1				100
Isolation Voltage	VINS	AC 50/60Hz, 60sec			3	kV
Isolation Resistance	RINS	DC 1kV			500	M
Clearance Distance	dCL	between primary and secondary			13.3	mm
Creepage Distance	dCP	between primary and secondary			13.3	mm
Operating Ambient Temperature	Ta	Recommended Operating Conditions	-40		110	C
Storage Temperature	Tstg	Absolute Maximum Ratings	-40		150	C

2312131114_AKM-CQ2234_C6538450.pdf

Open type current sensor AKM CQ2234 featuring AI Shell package and magnetic core for AC DC current sensing Images

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