MMA7341LC's Equation to get G degree

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MMA7341LC's Equation to get G degree

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johnmoore90
Contributor I

Hi everyone,

I would like to know the equation to get X,Y,Z G degree from voltage value on MMA7341LC.

Kind Regards,

John

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3 Replies

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krithisuryanara
NXP Employee
NXP Employee

Hello John,

I'm assuming you are referring to the sensitivity of the MMA7341LC device. Below is a snapshot of a table from the datasheet in page 3 with sensitivity numbers.

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If you were looking for something else, please elaborate on what you mean by 'G degree from voltage value'?

Regards,

Krithivasan

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TomasVaverka
NXP TechSupport
NXP TechSupport

Hi,

Just a quick note, the MMA7341LC has been discontinued without a direct pin-to-pin compatible replacement (see PCN15634 for more details).

I would recommend using a new analog-output accelerometer - FXLN83xxQ (±2/8g or ±4/16g, 12-pin QFN package, 1.71V to 3.6V supply voltage, 180uA supply current in Active mode).

Regards,

Tomas

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jamesfeng
Contributor I

Hi Tomas,

We have a product using MMA7341L accelerometer. The self-test z-axis reading is high (1.6g) and out of the range (0.8 ~ 1.2g) specified by datasheet. Is this device not factory trimmed either?  Do you have a technical bulletin released for this self-test issue?

Thanks

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