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題 名 | 近漏電流功率級之類比數位轉換器=A Near Leakage Current Power Analog-to-Digital Converter |
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作 者 | 黃昭仁; | 書刊名 | 電腦與通訊 |
卷 期 | 163 2015.09[民104.09] |
頁 次 | 頁27-35 |
分類號 | 448.5 |
關鍵詞 | 近漏電流功率級; 逐漸逼近暫存器; 類比數位轉換器; 數位類比轉換器; 物聯網; 無線感測器網路; Near leakage current power; NCLP; Successive approximation registers; SAR; Analog-to-digital converter; ADC; Digital-to-analog converter; DAC; Internet of things; IoT; Wireless sensor network; WSN; |
語 文 | 中文(Chinese) |
中文摘要 | 本論文提出一個具有六位元及每秒 40次取樣率之近漏電流功率級逐漸逼近暫存器之類比數位轉換器,電路包含數位邏輯、偏壓電路、寬操作電壓與高直流增益之比較器以及數位類比轉換器,非常適合整合於晶片使用。由於功耗非常小,可以不需使用任何電池,直接透過獵能器供電,可應用範圍包含物聯網、生醫電子、無線感測器網路、超低功耗系統 …等等。此六位元單端類比數位轉換器使用0.18μ m CMOS製程技術製作,晶片面積僅 0.0637mm2。量測 INL與DNL最壞情況,分別為 +1.3至-0.6 LSBs以及+1至-0.8 LSBs。此晶片可操作於 0.3V至1.8V,其功率消耗僅需1.297nW至17.582nW。 |
英文摘要 | This paper presents a 6-bit 40SPS near leakage current power (NLCP) successive approximation registers analog-to-digital converter (SAR-ADC). This NLCP SAR-ADC includes logic gates, a bias circuit, a full range and high DC gain comparator, and a digital-to-analog converter (DAC), which is very suitable for chip integration. Because the power consumption is in the leakage power level, NLCP SAR-ADC can operate by using energy harvesters as the power supply. That’s why NLCP SAR-ADC can be used in internet of things (IoT) applications, such as biomedical electronic, wireless sensor network (WSN), extreme low power system. The 6-bit single-end NLCP SAR-ADC occupies 0.0637mm2 in 0.18μm CMOS. Measured peak INL and DNL are +1.3/-0.6 LBSs and +1/-0.8 LSBs, respectively. The supply voltage can be from 0.3V to 1.8V with power consumption only from 1.297nW to 17.582nW respectively. |
本系統中英文摘要資訊取自各篇刊載內容。