High-Order Error-Feedback Mismatch Error Shaping for Continuous-Time DACs
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Abstract
DAC mismatch is the bottleneck for data converters to achieve high resolution. The error-feedback mismatch error shaping (EF-MES) is an effective method to address the DAC mismatch. However, the existing EF-MES can only achieve the 1st-order shaping for continuous-time (CT) DACs. This letter proposes the methodology and implementation details of a 2nd-order EF MES for CT DACs. This method can also be generalized to arbitrarily high-order EF MES.
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- europepmc
- last seen: 2026-05-20T01:45:00.602351+00:00