Description:AMR based integrated current sensor
Superior Range & Accuracy
0.6% typical total error @25°C (MCA1101-20-3)
2.0% max error over temperature (MCA1101-20-3)
Superior Frequency Response
1.5 MHz (typical 3dB BW)
Fast output response time (300ns typical)
Low Primary Resistance (0.9 mΩ)
Aceinna recommends following a 4-layer PCB design with a dedicated ground plane, and keeping the sensor away from high-frequency components and noise sources. Additionally, a low-impedance power supply and decoupling capacitors are recommended to minimize noise and ensure stable operation.
The MCA1101-65-3 has internal temperature compensation, but it's limited to a certain range. For accurate operation, the device should be operated within the recommended temperature range of -40°C to 125°C. Outside this range, the device's accuracy may be affected.
Aceinna recommends a one-time calibration during manufacturing, but users may need to recalibrate the device depending on their specific application and environmental conditions. A calibration procedure can be found in the datasheet, and it's recommended to recalibrate every 6-12 months or when the device is exposed to extreme temperatures or vibrations.
The MCA1101-65-3 has internal EMI and RFI filtering, but it's still recommended to follow proper PCB design and layout practices to minimize external interference. Additionally, users can take measures such as shielding, grounding, and using EMI-absorbing materials to further reduce interference.
The MCA1101-65-3 has a latency of around 1-2 ms and an update rate of up to 1 kHz. For real-time applications, users should consider the latency and update rate when designing their system, and may need to implement additional filtering or processing to ensure accurate and timely data.
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MCA1101-65-3 Overview
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