Chin. J. Semicond. > 2007, Volume 28?>?Issue 5?> 651-654

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Integrated Delta-Sigma 1.5bit Power DAC with 100dB Dynamic Range

Li Dan, Liang Jiayi, Hong Zhiliang and Xu Gang

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Abstract: A stereo 15bit delta-sigma digital-analog converter (ΔΣ DAC) integrated with a filterless class D power amplifier is introduced.It consumes no static power,and its maximum output power is 436mW with an 8Ω load.Its output dynamic range exceeds 100dB.The circuit is implemented with a TSMC 0.18μm process.The die area is 0.28mm2.The supply voltage is 1.8V for the digital part and 3.3V for class D.

Key words: delta-sigma DAC, filterless class D power amplifier, interpolator, power DAC

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    Received: 18 August 2015 Revised: 20 December 2006 Online: Published: 01 May 2007

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      Li Dan, Liang Jiayi, Hong Zhiliang, Xu Gang. Integrated Delta-Sigma 1.5bit Power DAC with 100dB Dynamic Range[J]. Journal of Semiconductors, 2007, 28(5): 651-654. ****Li D, Liang J Y, Hong Z L, Xu G. Integrated Delta-Sigma 1.5bit Power DAC with 100dB Dynamic Range[J]. Chin. J. Semicond., 2007, 28(5): 651.
      Citation:
      Li Dan, Liang Jiayi, Hong Zhiliang, Xu Gang. Integrated Delta-Sigma 1.5bit Power DAC with 100dB Dynamic Range[J]. Journal of Semiconductors, 2007, 28(5): 651-654. ****
      Li D, Liang J Y, Hong Z L, Xu G. Integrated Delta-Sigma 1.5bit Power DAC with 100dB Dynamic Range[J]. Chin. J. Semicond., 2007, 28(5): 651.

      Integrated Delta-Sigma 1.5bit Power DAC with 100dB Dynamic Range

      • State-Key Laboratory of ASIC & System,Fudan University,Shanghai 201203,China

      • State-Key Laboratory of ASIC & System,Fudan University,Shanghai 201203,China

      • State-Key Laboratory of ASIC & System,Fudan University,Shanghai 201203,China

      • Accel Semiconductor,Shanghai 201203,China

      • Received Date: 2015-08-18
      • Accepted Date: 2006-10-17
      • Revised Date: 2006-12-20
      • Published Date: 2007-04-29

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