Kazunori Hasebe, Shinichirou Etou, D. Miyazaki, Taiki Iguchi, Yuki Yagishita, Mika Takasaki, Takeru Nogamida, Hiroyuki Watanabe, T. Matsumoto, Y. Katayama
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引用次数: 6
摘要
噪声整形(NS) SAR adc具有高动态范围(DR)，可轻松应用于物联网、音频和许多其他应用。本文提出了提高NS SAR adc的DR和转换速度的四种技术。原型NS SAR ADC在100kHz带宽和12.8MS/s下实现了98.3dB/99.3dB/108.5dB的SNDR/SNR/SFDR。Schreier FoM达到175.3dB。
A 100kHz-Bandwidth 98.3dB-SNDR Noise-Shaping SAR ADC with Improved Mismatch Error Shaping and Speed-Up Techniques
Noise-Shaping (NS) SAR ADCs can have high Dynamic Range (DR) and be easily adopted to IoT, audio and many other applications. This paper proposes four techniques to improve the DR and conversion speed of NS SAR ADCs. A prototype NS SAR ADC achieves SNDR/SNR/SFDR of 98.3dB/99.3dB/108.5dB with 100kHz bandwidth and 12.8MS/s. Schreier FoM reaches 175.3dB.
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