A Low Cost Calibrated DAC for High-Resolution Video Display System

  title={A Low Cost Calibrated DAC for High-Resolution Video Display System},
  author={Meng-Hung Shen and Po-Chiun Huang},
  journal={IEEE Transactions on Very Large Scale Integration (VLSI) Systems},
This paper presents a digitally enhanced strategy for current-steering digital-to-analog converters (DACs) applied to video systems. The linearity error introduced by the wittingly small current sources is evaluated by an on-chip built-in self-test scheme, which comprises a shared CalDAC, a BiasDAC, and a digital controller. Two current tuning loops are involved for error detection and compensation. Detection range of the current deviation is expanded by utilizing the differential structure and… CONTINUE READING


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