Method for testing an analog-to-digital converter unit having delta-sigma modulation
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United States of America
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Feb 18, 2025
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Jun 22, 2023
app pub date -
Aug 5, 2021
filing date -
Aug 5, 2021
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Abstract
A method for testing an analog-to-digital converter unit, which is equipped to convert an analog input signal into a digital output signal with the aid of delta-sigma modulation. The method includes: generating an analog input signal; applying a predefined interference signal to the analog input signal and storing the resulting digital output signal as test result; determining that a fault is present if a transfer function of the analog-to-digital converter unit, which is ascertained from the test result and the input signal, has a deviation from a predefined target transfer function that is greater than a predefined reference value, a fault signal being output if a fault is determined.
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