The recommended PCB layout involves keeping the device away from high-current carrying traces and using thermal vias to dissipate heat. A minimum of 2oz copper thickness is recommended for the PCB. For thermal management, a heat sink or a thermal interface material can be used to keep the junction temperature below 150°C.
Calibration involves applying a known magnetic field to the sensor and adjusting the output voltage to match the expected value. The datasheet provides a calibration procedure, but it's recommended to consult the application note AN330072 for more detailed information.
The maximum allowable voltage on the VCC pin is 5.5V. Exceeding this voltage can cause permanent damage to the device, including latch-up or burnout. It's essential to ensure that the power supply voltage is regulated and within the recommended range.
To minimize EMI, use a shielded cable for the sensor's output, keep the sensor away from high-frequency sources, and use a common-mode choke or ferrite bead on the output lines. Additionally, ensure the PCB is designed with EMI in mind, using techniques like grounding and shielding.
The typical response time of the MLX90248ESE-EBA-000-RE is around 10μs. This response time can affect the system's performance, especially in high-speed applications. It's essential to consider the response time when designing the system and ensure that it meets the required specifications.
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MLX90248ESE-EBA-000-RE Overview
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