TLE5011 datasheet(19/43 Pages) INFINEON

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TLE5011

Specification

Final Data Sheet

V1.1, 2010-05

25 , OY25 : Offset value at 25°C in digits

25 : Temperature value at 25°C in digits

: Temperature value in digits

T : Sensitivity of the temperature measurement path, (see “Temperature Measurement” on Page 37).

Offset Correction

After the X and Y values are read out, the temperature-corrected offset value must be subtracted.

Amplitude Normalization

Next, the X and Y values are normalized using the peak values determined in the calibration.

Non-Orthogonality Correction

The influence of the non-orthogonality can be compensated using thefollowing equation, in which only the Y

channel must be corrected.

Resulting Angle

After correction of all errors, the resulting angle can be calculated using the arctan function

1).

1) Microcontroller function “arctan2(Y

3,X2)” to resolve 360°

X25

--------------

–

()

Y25

--------------

–

()

–

------

–

()

sin

–

()

cos

-------------------------------------------

arc

------

⎝⎠

⎛⎞

tan

–

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