Incremental delta-sigma modulators for temperature sensing applications

被引：1

作者：

Fisk, Robert P. ^{[1
]}

Hasan, S. M. Rezaul ^{[1
]}

机构：

[1] Massey Univ, Ctr Res Analog & VLSI Microsyst dEsign CRAVE, Sch Engn & Adv Technol, Auckland, New Zealand

来源：

INTERNATIONAL JOURNAL OF COMPUTER APPLICATIONS IN TECHNOLOGY | 2010年 / 39卷 / 1-3期

关键词：

temperature sensor; PTAT; CMOS technology; incremental delta-sigma; analog-to-digital converter;

D O I：

10.1504/IJCAT.2010.034732

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

This paper presents a comparison of incremental delta-sigma analogue-to-digital converters for integrated temperature sensing applications. The characteristics of bipolar transistor-based temperature sensing front-ends place specific requirements on the modulator loop architecture. Single loop delta-sigma architecture that removes the input signal from the internal loop by the addition of a feedforward path to the quantiser has been investigated thoroughly. It is found that the Noise Transfer Function (NTF) implemented by the modulator can be optimised for either accuracy or integrator signal excursion, based on the requirements of the target application.

引用

页码：66 / 71

页数：6

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