Accelerometer resonance frequency

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Accelerometer resonance frequency

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Senior Contributor I

Dear All,

My customer is considering using FXLS8471Q.
They want the Mechanical Resonance(-3dB) or the Mechanical Signal Bandwidth(-3dB) to compare the performance with other maker's sensor.
However, NXP's data sheet does not have this specification.

If so, please tell me why.

Best Regards,

George

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NXP TechSupport
NXP TechSupport

Dear George,

The mechanical resonance frequency is 3.56 kHz for XY and 2.74 kHz for Z-axis.

Best regards,

Tomas

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NXP TechSupport
NXP TechSupport

Dear George,

The mechanical resonance frequency is 3.56 kHz for XY and 2.74 kHz for Z-axis.

Best regards,

Tomas

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Senior Contributor I

Dear TomasVaverka‌,

Thank you for your quick reply.

Just to make sure, the frequency you say is -3dB point, right?

Thanks,

George

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NXP TechSupport
NXP TechSupport

Dear George,

No, those are natural mechanical resonant frequencies of the FXLS8471Q.

Best regards,

Tomas

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Senior Contributor I

I see.

Thanks.

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