Software-defined 3D magnetometer

Software-defined 3D magnetometer

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By eeNews Europe

Using its SPI and I2C interfaces, engineers can access the MLX90393’s various operating modes; continuous; single measurement; wake up on change and burst mode. In addition, the device’s settings can be adjusted at runtime as required by the application needs.
The burst mode duty cycle programmable range spans between 0.1% and 100%. By having it higher, fast response time applications can be served. Conversely, by having a lower duty cycle the current consumption can be curbed at supply voltages as low as 2.2V.

The MLX90393 supports a linear sensitivity across a selectable 16-bit full-scale range from ±5mT up to ±50mT, making it suited to position sensing. Trade-offs can be made between power consumption, speed and signal integrity. The chip supports an operational temperature range of -40°C to +85°C and is supplied in a 3x3mm QFN package.

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