基于微谐振器的超低功耗数模转换器

2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII (TRANSDUCERS & EUROSENSORS XXXIII) Pub Date : 2019-06-23 DOI:10.1109/TRANSDUCERS.2019.8808759

Sally Ahmed, Xuecui Zou, H. Fariborzi

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引用次数: 5

摘要

本文提出了一种基于微谐振器的数模转换器(DAC)，用于物联网(IoT)和低功耗应用。该装置由一个具有多个电极的夹紧式微谐振器组成。为了实现DAC的操作，每个部分电极和光束之间的气隙根据输入比特的权重而变化，因此光束的谐振频率和输出幅度由数字输入决定。测试的DAC消耗7 pJ/转换步长，采样率为64 S/ S。我们表明，通过适度的器件缩放，可以实现0.1 MS/s的采样率和2.7 fJ的能量/转换。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A Micro-Resonator Based Digital to Analog Converter for Ultralow Power Applications

This paper presents a micro-resonator based digital to analog converter (DAC) for the internet of things (IoT) and low power applications. The device consists of a clamped-clamped micro-resonator with multiple electrodes. To enable the operation as a DAC, the air-gap between each partial electrode and the beam is varied based on the weight of input bits, so the beam’s resonance frequency and the output amplitude are decided by digital inputs. The tested DAC consumes 7 pJ/conversion step with a sampling rate of 64 S/s. We show that a sampling rate of 0.1 MS/s and energy/conversion of 2.7 fJ can be achieved by moderate device scaling.

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来源期刊

2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII (TRANSDUCERS & EUROSENSORS XXXIII)

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