Product Overview
The CQ-206A is an open-type current sensor utilizing a quantum well ultra-thin film InAs Hall sensor, enabling high-accuracy and high-speed AC/DC current sensing. Its AI-Shell package integrates the Hall sensor, magnetic core, and primary conductor for space-saving and high reliability. Key features include bidirectional operation, electrical isolation, 5V single supply, ratiometric output, low variation in sensitivity and offset voltage, low temperature drift, low noise output (2.1mVrms max.), and a fast response time of 1s (typ.). The compact, halogen-free package makes it suitable for various applications requiring precise current monitoring.
Product Attributes
- Brand: Asahi Kasei Microdevices Corporation (AKM)
- Sensor Type: Hall Sensor
- Package Type: AI-Shell, Open-type
- Material: Indium Arsenide (InAs) for Hall sensor, Tin plating for terminals
- Certifications: Halogen free, RoHS compliant
Technical Specifications
| Parameter | Symbol | Min. | Typ. | Max. | Units | Notes |
|---|---|---|---|---|---|---|
| Supply Voltage | VDD | 4.5 | 5.0 | 5.5 | V | Recommended operating conditions |
| Maximum Primary Current (RMS) | IRMSmax | -50 | 50 | A | ||
| Current Consumption | IDD | 9 | mA | No Loads | ||
| Sensitivity | Vh | 44.1 | 45 | 45.9 | mV/A | * |
| Offset Voltage | Vof | 2.500 | V | IIN=0A, * | ||
| Linear Sensing Range | INS | -46 | 46 | 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 | ** | ||
| Maximum Temperature Drift of Sensitivity | Vh-dmax | 2 | % | Ta=40~90C, Variation ratio to Vh(Ta=35C) | ||
| Maximum Temperature Drift of Offset voltage | Vof-dmax | 17 | mV | Ta=40~90C, IIN=0A, Variation from Vof(Ta=35C) | ||
| Ratiometricity Error of Sensitivity | Vh-R | -1 | 1 | % | VDD=4.5V~5.5V, ** | |
| Ratiometricity Error of Offset Voltage | Vof-R | -1 | 1 | % | VDD=4.5V~5.5V, IIN=0A, ** | |
| Primary Conductor Resistance | R1 | 100 | ||||
| Isolation Voltage | VINS | 2.5 | kV | AC 50/60Hz, 60s, ** | ||
| Isolation Resistance | RINS | 500 | M | DC 1kV, ** | ||
| Supply Voltage (Absolute Max) | VDD | -0.3 | 6.5 | V | ||
| Storage Temperature | Tstg | -40 | 125 | C | ||
| Operating Ambient Temperature | Ta | -40 | 90 | C | Recommended operating conditions |
* These parameters can drift by the values described in Reliability Tests section over the lifetime of the product.
** These characteristics are guaranteed by design.
2411271935_AKM-CQ206A_C1574529.pdf
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