IIS3DHHC Sensitivity

[totaw.1]

Regarding the sensitivity of IIS3DHHC, the datasheet says 0.076mg/digit. It is written.

To be exact 5g/2^16 (= 0.07629mg/digit) Is that correct?

Thanks!

[codebuk · Accepted solution]

Hi,

My understanding is g = 9.8 is an approximation - the actual figure varies. 

So .076 is 'close enough'.

Also see the reference drivers:

https://github.com/STMicroelectronics/iis3dhhc-pid/blob/master/iis3dhhc_reg.c

  * @defgroup    IIS3DHHC_Sensitivity
  * @brief       These functions convert raw-data into engineering units.
  * @{
  *
  */

float_t iis3dhhc_from_lsb_to_mg(int16_t lsb)
{
  return ((float_t)lsb * 0.076f);
}

Dan

[totaw.1]

Hi、

Sorry for the late reply.

Thank you for your reply.

I understand that 0.076mg/digit is an approximate value.

Thanks.