LIS2HH12噪声信息怎么获得

嗨，


我有一个基于LIS344ALH的设计，其中噪声水平是一个非常敏感的参数，因为我需要测量mg范围内的信号。我想转向全数字组件，我正在寻找LIS2HH12。不幸的是，数据表中不包含任何有关噪声的信息。

我可以获得这些信息吗？

另一个问题：几乎所有加速度计的数据表都只以 g/ sqrt（Hz）为单位讨论机械噪声，但没有考虑到采集链而给出完整的噪声系数。

对于模拟加速度计，我是否可以考虑使用灵敏度将机械噪声值映射到电噪声值？

对于数字加速度计，Iconsider可以使用灵敏度将机械噪声值映射到数字噪声（LSB）值吗？

谢谢！


＃加速度计噪声



以下为原文




Hi,


I've a design based on LIS344ALH where the noise level is a very sensitive parameter since I need to measure signals in the mg range. I would like to move to a full digital component and I'm looking to the LIS2HH12. Unfortunetely, the datasheet doesn't contain any information about noise.

Can I get this information?

Another question: almost all accelerometer's datasheets talk about the mechanical noise only in �g/sqrt(Hz), but without giving a full noise figure taking into account the acquisition chain.

For analog accelerometers, could I consider that I can map the value for mechanical noise to an electrical noise value using the sensitivity?

For digital accelerometers, could Iconsider that I can map the value for mechanical noise to an digital noise (in LSB) value using the sensitivity?  

Thanks!

  
#accelerometer-noise