A 12 b digital-background-calibrated algorithmic ADC with -90 dB THD

  title={A 12 b digital-background-calibrated algorithmic ADC with -90 dB THD},
  author={O. E. Erdogan and P W Hurst and S. Lewis},
  journal={1999 IEEE International Solid-State Circuits Conference. Digest of Technical Papers. ISSCC. First Edition (Cat. No.99CH36278)},
The linearity of analog-to-digital converters (ADCs) is often limited by component mismatches. Trimming can be used to achieve high linearity but cannot track variations over time caused by component aging or by temperature and power-supply changes. Background calibration overcomes this limitation. However, previous background-calibration methods require complicated post processing, occupy some of the range of the analog signal under conversion, or are tailored for a specific type of converter… CONTINUE READING
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