Auxiliary ADC-based calibration for non-linearity correction of ADC
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United States of America Patent
Stats
-
Oct 10, 2023
Grant Date -
Mar 16, 2023
app pub date -
Jan 31, 2022
filing date -
Sep 8, 2021
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In an example, a system includes an input channel and a voltage to delay converter (V2D) coupled to the input channel. The system also includes a first multiplexer coupled to the V2D and an analog-to-digital converter (ADC) coupled to the first multiplexer. The system includes a second multiplexer coupled to the input channel and an auxiliary ADC coupled to the second multiplexer. The system includes calibration circuitry coupled to an output of the auxiliary ADC, where the calibration circuitry is configured to correct a non-linearity in a signal provided by the input channel. The calibration circuitry is also configured to determine the non-linearity of the signal provided to the ADC relative to the signal provided to the auxiliary ADC.
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International Classification(s)
- 2022 Application Filing Year
- H03M Class
- 1388 Applications Filed
- 948 Patents Issued To-Date
- 68.30 % Issued To-Date
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- 0 Citation Count
- H03M Class
- 0 % this patent is cited more than
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