A 23pW, 780ppm/°C resistor-less current reference using subthreshold MOSFETs

A 23pW, 780ppm/°C resistor-less current reference using subthreshold MOSFETs
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使用亚阈值 MOSFET 的 23pW、780ppm/°C 无电阻电流基准

DOI:
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发表时间:
2014
期刊:
European Solid-State Circuits Conference
影响因子:
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通讯作者:
D. Sylvester
D. Sylvester
中科院分区:
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文献类型:
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作者:
Myungjoon Choi;Inhee Lee;Taekwang Jang;D. Blaauw;D. Sylvester

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本文提出了一种仅限SONET的20 pA、780 ppm/°C基准电流源,功耗为23 pW。超低功耗电路利用亚阈值偏置MOSFET和绝对温度互补(CTAT)栅极电压来补偿温度依赖性。该设计具有0.58%/V的低电源电压灵敏度和0.25%/V的负载灵敏度。
This paper proposes a MOSFET-only, 20pA, 780ppm/°C current reference that consumes 23pW. The ultra-low power circuit exploits subthreshold-biased MOSFETs and a complementary-to-absolute temperature (CTAT) gate voltage to compensate for temperature dependency. The design shows low supply voltage sensitivity of 0.58%/V and a load sensitivity of 0.25%/V.