Low-cost test of the first-order Delta-Sigma converter

Author

Desouky, A.O. ; Khairy, M.S. ; Abdelhalim, M.B. ; Amer, H.H.

Author_Institution

Electron. & Commun. Dept., Cairo Univ., Cairo, Egypt

fYear

2009

fDate

14-16 Dec. 2009

Firstpage

100

Lastpage

105

Abstract

Delta-sigma converters are very popular components in the field of mixed-signal circuits. Hence, testing these converters is a very crucial issue. This paper discusses testing first-order delta-sigma A/D converters. It is shown that one analog test value is enough to detect all faults (but one) in the target fault set. The target fault set consists of stuck-at-faults in digital components, op-amp output faults, as well as open and short faults in passive components. Analytical results were verified by ORCAD PSPICE simulations.

Keywords

SPICE; analogue-digital conversion; fault diagnosis; sigma-delta modulation; ORCAD PSPICE simulations; first-order delta-sigma A/D converter; mixed-signal circuits; passive components; stuck-at-faults; Analog-digital conversion; Circuit faults; Circuit simulation; Circuit testing; Fault detection; Pulse width modulation converters; Resistors; SPICE; Signal generators; Vectors; Delta-Sigma A/D Converters; fault coverage; fault models; mixed-signal testing;

fLanguage

English

Publisher

ieee

Conference_Titel

Computer Engineering & Systems, 2009. ICCES 2009. International Conference on

Conference_Location

Cairo

Print_ISBN

978-1-4244-5842-4

Electronic_ISBN

978-1-4244-5843-1

Type

conf

DOI

10.1109/ICCES.2009.5383302

Filename

5383302