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A
amuel.1
Visitor II
May 2, 2020
Question

LISM3MDL specified sensitivity differs from other magnetomters

  • May 2, 2020
  • 1 reply
  • 1261 views

Hi,

I am just kind of confused that LISM3MDL (which is just an magnetometer) has scalable range from ±4 up to ±16 gauss. LSM303AGR has magnetic range ±49.152 gauss.

Accelerometer of LSM303AGR has same range and sensitivty as magnetometer LISM3MDL but in unit g.

Am I having a mistake in thinking?

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    1 reply

    E
    Eleon BORLINI
    ST Employee
    May 4, 2020

    Hi @amuel.1​ , you have to consider that in ST sensor portfolio there are basically two stand-alone magnetometers: the LIS2MDL and the LIS3MDL. They are intended to adress slightly different targets (variable FS adn variable sensitivity / low noise / stability, and so on). There are indeed products that are combinations of stand-alone sensors: the LSM303AGR, an e-compass that embeds the LIS2MDL sensor and the LSM9DS1, an iNemo 9-axis sensor that includes the scalable LIS3MDL. But there isn't a direct relation between embedded sensors (e.g. the magnetometer and the accelerometer): the two ASICs (the electronic circuit that converts the analog output of the pure sensor into a digital data). Regards

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