A 17 bit oversampling D-A conversion technology using multistage noise shaping

  title={A 17 bit oversampling D-A conversion technology using multistage noise shaping},
  author={Y. Matsuya and K. Uchimura and A. Iwata and T. Kaneko},
A description is given of a highly stable, triple-integration two-stage noise-shaping technique and a precise differential pulse-width modulation (PWM) output method which permits greater accuracy in monolithic audio digital-to-analog (D-to-A) converters (DACs) without trimming. Based on these techniques and using 1.5 mu m CMOS technology, a 17 bit 20 kHz bandwidth DAC LSI chip with digital filters was developed. A signal-to-noise ratio (S/(N+THD)) of 101 dB and a total harmonic distortion (THD… Expand
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