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Specifications
Mfr. Part #:
CQ2334
Key Attributes
Model Number:
CQ2334
Product Description
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
| Parameter | Symbol | Conditions | Min. | Typ. | Max. | Units | Notes |
|---|---|---|---|---|---|---|---|
| Supply Voltage | VDD | 4.5 | 5.0 | 5.5 | V | Single supply operation | |
| Maximum Primary Current (RMS) | IRMSmax | -50 | 50 | A | |||
| Current Consumption | IDD | No loads | 8.3 | 11 | mA | ||
| Sensitivity | Vh | See Figure 5 | 39.6 | 40.0 | 40.4 | mV/A | Low variation and low temperature drift |
| Offset Voltage | Vof | IIN = 0A | 2.480 | 2.500 | 2.520 | V | Low variation and low temperature drift |
| Linear Sensing Range | INS | -54 | 54 | A | |||
| Linearity Error | See Figure 5 | -1 | 1 | %F.S. | |||
| Rise Response Time | tr | CL = 100pF, See Figure 8 | 1 | s | Fast response time | ||
| Fall Response Time | tf | CL = 100pF, See Figure 8 | 1 | s | Fast response time | ||
| Bandwidth | fT | -3dB, CL = 100pF | 300 | kHz | |||
| Output Noise | VNrms | 100Hz to 4MHz | 1.2 | mVrms | Low noise output | ||
| Temperature Drift of Sensitivity | Vh-dmax | Ta = 40 to 110C, See Figure 6 | -1.6 | +0.5 | % | ||
| Temperature Drift of Offset Voltage | Vof-dmax | Ta = 40 to 110C, IIN = 0A, See Figure 7 | -7 | +7 | mV | ||
| Ratiometric Error of Sensitivity | Vh-R | VDD = 4.5V to 5.5V | -1 | 1 | % | ||
| Ratiometric Error of Offset Voltage | Vof-R | VDD = 4.5V to 5.5V, IIN = 0A | -0.5 | 0.5 | %F.S. | ||
| Total Accuracy | ETO | Ta = 40 to 110C | 1.8 | %F.S. | Calculated based on sensitivity, offset voltage, and linearity error | ||
| Primary Conductor Resistance | R1 | 100 | |||||
| Isolation Voltage | VINS | AC 50/60Hz, 60sec | 3 | kV | Electrical isolation | ||
| Isolation Resistance | RINS | DC 1kV | 500 | M | Electrical isolation | ||
| Clearance Distance | dCL | between primary and secondary | 13.3 | mm | |||
| Creepage Distance | dCP | between primary and secondary | 13.3 | mm | |||
| Operating Ambient Temperature | Ta | -40 | 110 | C | |||
| Storage Temperature | Tstg | -40 | 150 | C | Absolute Maximum Rating | ||
| Supply Voltage (Absolute Max) | VDD | -0.3 | 6.5 | V | Absolute Maximum Rating | ||
| Analog Output Current (Absolute Max) | IOUT | -1 | 1 | mA | Absolute Maximum Rating |
2410301848_AKM-CQ2334_C20425043.pdf
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