Digital Background Calibration of a Split Current-Steering DAC
| Autor: | Bernard C. Levy, Stephen H. Lewis, Paul J. Hurst, Jenny Kuo, David J. Stoops |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
Current (mathematics)
Comparator Analogue electronics Computer science 020208 electrical & electronic engineering Binary number 02 engineering and technology Dissipation Nonlinear system Hardware and Architecture 0202 electrical engineering electronic engineering information engineering Electronic engineering Calibration Electrical and Electronic Engineering Communication channel |
| Zdroj: | IEEE Transactions on Circuits and Systems I: Regular Papers. 66:2854-2864 |
| ISSN: | 1558-0806 1549-8328 |
| DOI: | 10.1109/tcsi.2019.2901626 |
| Popis: | A digital background calibration method for a current-steering digital-to-analog converter (DAC) is presented. The algorithm uses one comparator for calibration and corrects for current-source mismatch, which causes DAC nonlinearity. The DAC is split into two identical channels, with each channel consisting of a main DAC and an auxiliary DAC. The comparator examines the difference between the two channels to generate a binary error signal, which is used in a sign-LMS algorithm. Simulation results are presented to demonstrate the split-calibration algorithm. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|