Spikes in ASM330LHH Temperature Data

[M_S]

Hi, 

I am currently using an ASM330LHH MEMS, and seem to be getting erroneous spikes in data from the temperature sensor (see attached image). Please can someone advise on what this may be, or if you have experienced the same issue? I have been working through the temperature decode in my data acquisition (which seems to be okay), but I could be wrong. 

Many thanks. 

[M_S]

It's worth noting, the spikes seems to be consistent in magnitude. Almost as though there is a recurring offset.

[Federica Bossi]

Hi @M_S ,

Welcome to ST Community!

Have you already tried to configure the BDU bit in CTRL3_C register (12h)? With this bit the output registers are not updated until MSB and LSB have been read.

If this helps you, please mark my answer as "Best Answer" by clicking on the "Accept as Solution" button, this can be helpful for Community users to find this solution faster.

[M_S]

Hi @Federica Bossi, 

I will try this an see if it works. 

Thank you.

[JamesWindspoore]

I'm having the exact same problem even if BDU is activated.

[Federica Bossi]

Hi @JamesWindspoore ,

They could be due to the setup vibrations, please be sure that it is well isolated.