KX022 and KX023 Supplemental Offset Calibration
●Introduction
■Kionix calibrates the offset of the KX022 and KX023 at the factory. After assembly, it is sometimes found by the customer that there is a subsequent offset shift.
■The KX022 and KX023 have embedded registers used to provide a final factory calibration. These registers have the default factory calibration but also they can be adjusted by a user programmatically for an additional offset adjustment to the original factory programmed calibration.
■The values for the user applied offset adjustment are stored in RAM and must be updated by the controlling system after each power up or reset.
■Offset Calibration readings and adjustments are calculated using 2g High RES mode.
■The Offset calibration adjustment adds a constant value to correct for an offset error.
■Two registers are employed to make the Offset Calibration adjustment.
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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21 July 2015 |
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AN 046 |
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255 KB |
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