KX022 and KX023 Supplemental Offset Calibration Application Note
●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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AN046 |
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293 KB |
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