基于28nm CMOS的高约束微系统346μm2无参考传感器接口

2013 IEEE Asian Solid-State Circuits Conference (A-SSCC) Pub Date : 2013-12-23 DOI:10.1109/ASSCC.2013.6690993

Laura Freyman, D. Fick, D. Blaauw, D. Sylvester, M. Alioto

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引用次数: 1

摘要

在28nm LP CMOS上设计了一种346μm2无参考、异步vco的传感器接口电路。这种设计不需要高精度电流源、电压源或低抖动定时参考。该方法具有宽分辨率和电压可扩展性，且功耗仅为现有方法的1/100。分辨率可从2.8位缩放到11.7位，VDD从500mV缩放到1.0V。

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A 346μm2 reference-free sensor interface for highly constrained microsystems in 28nm CMOS

A 346μm2 reference-free, asynchronous VCO-based sensor interface circuit is demonstrated in 28nm LP CMOS. This design does not require high accuracy current sources, voltage sources, or low jitter timing references. It achieves wide resolution and voltage scalability, and consumes only ~1/100th the area of prior approaches. Resolution can be scaled from 2.8 to 11.7 bits and VDD from 500mV to 1.0V.

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2013 IEEE Asian Solid-State Circuits Conference (A-SSCC)

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