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{{Short description|Integrated device containing configurable analog blocks and interconnects between these blocks}}
A '''field-programmable analog array''' ('''FPAA''') is an [[Integrated circuit|integrated circuit device]] containing computational [[Analog signal|analog]] blocks (CAB)<ref>{{cite book |last1=Hall |first1=Tyson |last2=Twigg |first2=Christopher |last3=Hassler |first3=Paul |last4=Anderson |first4=David |title=2004 IEEE International Symposium on Circuits and Systems (IEEE Cat. No.04CH37512) |chapter=Application performance of elements in a floating-gate FPAA |date=2004 |volume= |pages=589–592 |doi=10.1109/ISCAS.2004.1329340 |isbn=0-7803-8251-X |s2cid=17212868 }}</ref><ref>{{cite journal |last1=Baskaya |first1=F. |last2=Reddy |first2=S. |last3=Sung |first3=Kyu Lim |last4=Anderson |first4=D.V. |title=Placement for large-scale floating-gate field-programable analog arrays |journal=IEEE Transactions on Very Large Scale Integration (VLSI) Systems |date=August 2006|volume=14 |issue=8 |pages=906–910 |url=https://www.computer.org/csdl/trans/si/2006/08/01664910-abs.html|doi=10.1109/TVLSI.2006.878477 |s2cid=16583629 }}</ref> and interconnects between these blocks offering [[field-programmability]]. Unlike their [[Digital signal|digital]] cousin, the [[Field-programmable gate array|FPGA]], the devices tend to be more application driven than general purpose as they may be [[Current-mode logic|current mode]] or voltage mode devices. For voltage mode devices, each block usually contains an [[operational amplifier]] in combination with programmable configuration of passive components. The blocks can, for example, act as [[Analog adder|summers]] or [[integrator]]s.
FPAAs usually operate in one of two modes: [[Discrete time and continuous time|''continuous time'' and ''discrete time'']].
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==External links==
* [http://www.eetimes.com/news/latest/showArticle.jhtml?articleID=205916545 "Analog's Answer to FPGA Opens Field to Masses"] Sunny Bains, ''EE Times'', February 21, 2008. Issue 1510.
* [http://opencircuitdesign.com/~tim/research/fpaa/fpaa.html "Field programmable analog arrays"] Tim Edwards, [[Johns Hopkins University]] project, 1999.
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