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Compact Design Current Sensor AKM CQ2334 Featuring Hall Sensor and AI Shell Package for Space Saving

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Compact Design Current Sensor AKM CQ2334 Featuring Hall Sensor and AI Shell Package for Space Saving

Product Overview

The CQ-2334 is an open-type current sensor utilizing a Hall sensor with an ultra-thin film InAs quantum well for high-accuracy and high-speed AC/DC current sensing. Its simple AI-Shell package integrates the Hall sensor, magnetic core, and primary conductor, offering space-saving and high reliability. This bidirectional sensor provides electrical isolation between the primary conductor and the sensor signal, operates on a single 5V supply, and features a ratiometric output with low variation and temperature drift. It is designed for applications requiring precise and fast current measurement.

Product Attributes

  • Brand: Asahi Kasei Microdevices (AKM)
  • Sensor Type: Hall Sensor
  • Package Type: AI-Shell
  • Material: Indium Arsenide (InAs) quantum well for Hall sensor; Halogen free
  • Certifications: IEC/UL 62368-1, UL 508, CSA C22.2 No. 14 (IEC 62109 certification pending)
  • RoHS Compliant: Yes

Technical Specifications

ParameterSymbolConditionsMin.Typ.Max.UnitsNotes
Supply VoltageVDD4.55.05.5VSingle supply operation
Maximum Primary Current (RMS)IRMSmax-5050A
Current ConsumptionIDDNo loads8.311mA
SensitivityVhSee Figure 539.640.040.4mV/ALow variation and low temperature drift
Offset VoltageVofIIN = 0A2.4802.5002.520VLow variation and low temperature drift
Linear Sensing RangeINS-5454A
Linearity ErrorSee Figure 5-11%F.S.
Rise Response TimetrCL = 100pF, See Figure 81sFast response time
Fall Response TimetfCL = 100pF, See Figure 81sFast response time
BandwidthfT-3dB, CL = 100pF300kHz
Output NoiseVNrms100Hz to 4MHz1.2mVrmsLow noise output
Temperature Drift of SensitivityVh-dmaxTa = 40 to 110C, See Figure 6-1.6+0.5%
Temperature Drift of Offset VoltageVof-dmaxTa = 40 to 110C, IIN = 0A, See Figure 7-7+7mV
Ratiometric Error of SensitivityVh-RVDD = 4.5V to 5.5V-11%
Ratiometric Error of Offset VoltageVof-RVDD = 4.5V to 5.5V, IIN = 0A-0.50.5%F.S.
Total AccuracyETOTa = 40 to 110C1.8%F.S.Calculated based on sensitivity, offset voltage, and linearity error
Primary Conductor ResistanceR1100
Isolation VoltageVINSAC 50/60Hz, 60sec3kVElectrical isolation
Isolation ResistanceRINSDC 1kV500MElectrical isolation
Clearance DistancedCLbetween primary and secondary13.3mm
Creepage DistancedCPbetween primary and secondary13.3mm
Operating Ambient TemperatureTa-40110C
Storage TemperatureTstg-40150CAbsolute Maximum Rating
Supply Voltage (Absolute Max)VDD-0.36.5VAbsolute Maximum Rating
Analog Output Current (Absolute Max)IOUT-11mAAbsolute Maximum Rating

2410301848_AKM-CQ2334_C20425043.pdf

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