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Fast response AC DC current sensor AKM CQ2065 with electrical isolation and single supply operation

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Fast response AC DC current sensor AKM CQ2065 with electrical isolation and single supply operation

Voltage - Supply : 4.5V~5.5V

Description : Through Hole Current Sensors RoHS

Mfr. Part # : CQ2065

Model Number : CQ2065

Package : Through Hole

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Product Overview

The CQ-2065 is an open-type current sensor that utilizes a quantum well ultra-thin film InAs Hall sensor to provide high-accuracy and high-speed AC/DC current sensing. Its analog voltage output is proportional to the measured current. The integrated AI-Shell package, incorporating the Hall sensor, magnetic core, and primary conductor, ensures space-saving design and high reliability. Key features include bidirectional operation, electrical isolation between the primary conductor and sensor signal, 5V single supply operation, ratiometric output, low variation and temperature drift of sensitivity and offset voltage, low noise output (2.1mVrms max.), and a fast response time (1s typ.). This sensor is designed for applications requiring precise and rapid current measurement in a compact form factor.

Product Attributes

Brand: Asahi Kasei Microdevices Corporation (AKM)
Certifications: RoHS compliant, Halogen free
Material: Quantum well ultra-thin film InAs (Hall sensor), Tin plating (terminals)

Technical Specifications

Parameter	Symbol	Min.	Typ.	Max.	Units	Notes
Model	CQ-2065	-	-	-	-	MS1264-E-05 2013/06
Supply Voltage	VDD	4.5	5.0	5.5	V	Single supply operation
Maximum Primary Current (RMS)	IRMSmax	-50	-	50	A	-
Current Consumption	IDD	-	9	-	mA	No Loads
Sensitivity	Vh	24.5	25.0	25.5	mV/A	*
Offset Voltage	Vof	-	2.451	2.549	V	IIN=0A, *
Linear Sensing Range	INS	-85	-	85	A	-
Linearity Error		-1	-	1	%F.S.	*
Rise Response Time	tr	-	1	-	s	CL=100pF, typ.
Fall Response Time	tf	-	1	-	s	CL=100pF, typ.
Bandwidth	fT	-	-	400	kHz	-3dB, CL=100pF
Output Noise	VNrms	-	-	2.1	mVrms	max., **
Maximum Temperature Drift of Sensitivity	Vh-dmax	-	-	1	%	Variation ratio to Vh(Ta=35C), Ta=35~90C
Maximum Temperature Drift of Sensitivity	Vh-dmax	-	-	2	%	Variation ratio to Vh(Ta=35C), Ta=40~35C
Maximum Temperature Drift of Offset voltage	Vof-dmax	-	-	9	mV	Variation from Vof(Ta=35C), Ta=40~90C, IIN=0A
Ratiometricity Error of Sensitivity	Vh-R	-1	-	1	%	**
Ratiometricity Error of Offset Voltage	Vof-R	-1	-	1	%	IIN=0A, **
Primary Conductor Resistance	R1	-	-	100		-
Isolation Voltage	VINS	-	-	2.5	kV	AC 50/60Hz, 60s, **
Isolation Resistance	RINS	-	-	500	M	DC 1kV, **
Storage Temperature	Tstg	-40	-	125	C	-
Operating Ambient Temperature	Ta	-40	-	90	C	-

* These parameters can drift by the values described in Reliability Tests section over the lifetime of the product.
** These characteristics are guaranteed by design.

2411271956_AKM-CQ2065_C1526345.pdf

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