文档介绍：摘要摘要地球上的物体都在向外辐射着红外线,这决定了红外探测技术广泛的应用领域。在微电子技术高速发展的当今,红外探测技术在军工、民用等国民经济领域发挥着重要的作用。作为红外探测技术的重要手段之一,红外焦平面读出电路发挥着不可替代的作用。红外焦平面读出电路已经取得了众多突破性的进展,它拥有阵列范围人,集成度高,精度好等众多优势。红外焦平面读出电路由积分电路,相关双采样,选位,以及输出缓冲等若干部分组成。本设计的思路是,在积分电路中,感应器的微弱电流信号被积分放大为电压信号;随后在相关双采样电路中对同一个电压信号进行分时取样;通过选位后,将两个信号做减法运算,去掉噪声后得到精确度较高的积分电压信号。基于Cadence Spectre仿真工具,并采用CSMC ,对本文提剑的读出电路系统进行了仿真验证。由于读出电路阵列的规模较庞大,所以对信号单通路的占用版图面积要求较高。本文的思想是将双采样结构做在一个信号通路的单元里面,将一个单元内的面积压缩在了 609m×609in以内。在对系统给出不同大小的电流信号后,得到输出信号的线性度能达到99%以上。同时,,即满足10bit的数据采样精度。关键词:红外焦平面读出电路,相关双采样,输出缓冲级,线性度,版图面积 Abstract Abstract Everything onearthexposure ultraredrays,which provides extensive application fields forinfrared thehighspeed of thedevelopment ofmicro electronictechnique,infrared detection technique plays an important roleinnationaleconomy嬲military project and is an irreplaceabletechnique弱one see dramatic breakthroughs and has several advantages,such aSlarge arrayscale,high integratedlevel,and high accuracy. Irfpa readoutcircuitcontainedintegral circuit,correlated doublesampling circuits,bits choose circuit, and theoutput buffer, weak currentofsignal sensors waS converted into avoltage signal inthe integral thevoltagesignal WaStimedivisionsampled incorrelateddoublesampling circuits. Two+signals subtractedbychoosing bits,whichremoving noiseandachieving theintegralvoltagesignal uracy. Based OffCadence Specter simulationtoolsand using CSMC standard CMOS technology library,thispaper testandverify thereadoutcircuitSystem which isbrought out readout circuitarray haS alarger size,therewould be ahigherrequirement tothelayout area of thesignal main idea ofthisarticle toput thedoublesampling circuitsintothecellof asignalunipath, and toreduct the area of thecell senddifferentsignals tothesystem,the linearity of theoutputsignal call be over 99%.Atthesame time,t