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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
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What is the meaning of LSB in representation of AD conversion errors ?
Answer
AD conversion errors are measured in a unit called the LSB (least significant bit).
If the conversion error of an AD converter is specified as ±2 LSB, conversion results may include an error of ±2 digital values. For example, if an 8-bit AD converter has 0.0V to 5.0V conversion range and a conversion error of ±2 LSB, the AD conversion range of a 2.5V input, may vary in a range of 0x7e to 0x82. If the AD converter is error-free, the conversion result will be 0x80.
(NO.EA9901701 2011/11/01)