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Evelina CAMILLERI
Evelina CAMILLERI
ST Employee
April 4, 2022
Solved

What is the maximum sampling frequency achievable with LSMDSOX FSM+MLC ? What impact on consumption?

  • April 4, 2022
  • 1 reply
  • 725 views

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    This topic has been closed for replies.
    Best answer by Eleon BORLINI

    In LSM6DSOX, accelerometer and gyroscope can be configured in different operating modes and the maximum output data rate is 6.66 kHz. MLC and FSM process data at four possible rates configurable by the user: 12.5 Hz, 26 Hz, 52 Hz, 104 Hz. So, the maximum data rate for MLC and FSM is 104 Hz (when a higher sensor ODR is selected, data inside MLC or FSM are automatically decimated at their specific rate). 

    The impact on power consumption is in the orders of microAmpere and it depends on the application implemented (e.g. what kind of features, window and decision tree is implemented in the MLC, or what kind of states are implemented in the FSM).

    1 reply

    Eleon BORLINI
    Eleon BORLINIBest answer
    ST Employee
    April 4, 2022

    In LSM6DSOX, accelerometer and gyroscope can be configured in different operating modes and the maximum output data rate is 6.66 kHz. MLC and FSM process data at four possible rates configurable by the user: 12.5 Hz, 26 Hz, 52 Hz, 104 Hz. So, the maximum data rate for MLC and FSM is 104 Hz (when a higher sensor ODR is selected, data inside MLC or FSM are automatically decimated at their specific rate). 

    The impact on power consumption is in the orders of microAmpere and it depends on the application implemented (e.g. what kind of features, window and decision tree is implemented in the MLC, or what kind of states are implemented in the FSM).

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