Programmable Analog Signal Conditioning Circuit for Integrated Systems

被引：3

作者：

Belfort, Diomadson R. ^{[1
]}

Catunda, Sebastian Y. C. ^{[1
]}

de Sousa, Fernando R. ^{[2
]}

Dantas, Joao P. M. ^{[2
]}

Freire, Raimundo C. S. ^{[3
]}

机构：

[1] Univ Fed Maranhao, Sao Luis, MA, Brazil

[2] Univ Fed Rio Grande do Norte, BR-59072970 Natal, RN, Brazil

[3] Univ Fed Campina Grande, Campina Grande, PB, Brazil

来源：

2008 IEEE INSTRUMENTATION AND MEASUREMENT TECHNOLOGY CONFERENCE, VOLS 1-5 | 2008年

关键词：

Systems on chip; Analog signal conditioning; Integrated circuits; Programmable circuits;

D O I：

10.1109/IMTC.2008.4547346

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This work proposes an architecture of a programmable conditioning circuit for dc level adjustment and gain programming to be implemented for systems on chip. The conditioning circuit is developed using a methodology to minimize the number of passive components used for programming the gain guaranteeing the full measurement range. The circuit is designed using the switched capacitors technique with two gain stages, for a total gain varying from one to 512.It can operate in four different modes, single-ended with or without dc level adjustment, differential, and calibration Simulation results are presented for the schematic and for the circuit extracted from the layout.

引用

页码：1848 / +

页数：2

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