用于探测器信号读出的前端ASIC.ppt

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1、用于探测器信号读出的前端ASIC2010年8月15日中国科学院高能物理研究所王铮中国科学院“核探测技术与核电子学”重点实验室2010-8-151NED2010主要内容国际上ASIC技术发展动态半导体探测器读出ASIC（FEI-4，MIMOSA26）气体探测器读出ASIC（TIMEPIX）国内ASIC研究进展2010-8-152NED2010半导体探测器读出ASIC探测器与ASIC采用hybrid结构FEI4探测器与ASIC作在同一个衬底上（单片结构）MINOSA262010-8-153NED20102010-

2、8-154NED2010PixelDetectorModuleBreakdown16FEchipsSensortileBumpbondsPP0connectionFlexHybridWirebonds2010-8-155NED2010FrontendChip-FE-I4FE-I3LargestChipinHEPReviewNov3-4,2009NewFE-I4Pixelsize=250x50µm2Pixels=80x336Technology=0.13µmPower=0.5W/cm22010-8-156NED

3、2010DevelopmentofCMOSPixelSensorsforChargedParticleTrackingDesignaccordingto3issues:IncreasingS/Natpixel-levelAtoDConversionatcolumn-levelZerosuppressionatchipedgelevelPowerv.s.speed:PowerReadoutinarollingshuttermodeSpeed1rowpixelsarereadout//MIMOSA26isa

4、reticulesizeMAPSwithbinaryoutput,10kimages/sPixelarray:1152x576,18.4µmpitchHitdensity:~1E6particles/cm²/sArchitecture:Pixel(Amp+CDS)arrayorganisedin//columnsr.o.intherollingshuttermode1152ADC,a1-bitADC(discriminator)/columnIntegratedzerosuppressionlogicRe

5、moteandprogrammableLab.andbeamtests:62chipstested,yield~75-90%21.5mm13.7mmMIMOSA26Activearea:~10.6x21.2mm2PixelArrayRollingshuttermodeADCZerosuppression2010-8-157NED2010MIMOSA26:1stMAPSwithIntegratedØPixelarray:576x1152,pitch:18.4µmActivearea:~10.6x21.2mm2I

6、neachpixel:AmplificationCDS(CorrelatedDoubleSampling)1152column-leveldiscriminatorsoffsetcompensatedhighgainpreamplifierfollowedbylatchZerosuppressionlogicMemorymanagementMemoryIPblocksReadoutcontrollerJTAGcontrollerCurrentRef.BiasDACsRowsequencerWidth:~3

7、50µmI/OPadsPowersupplyPadsCircuitcontrolPadsLVDSTx&RxCMOS0.35µmOPTOtechnology,Chipsize:13.7x21.5mm2Testability:severaltestpointsimplementedallalongreadoutpathPixelsout(analogue)DiscriminatorsZerosuppressionSignaltransmissionReferenceVoltagesBufferingfor

8、1152discriminatorsPLL,8b/10boptionalIntegrationtime:~100µsR.O.speed:10kframes/sHitdensity:~106particles/cm²/s2010-8-158NED2010气体探测器ASIC（TIMEPIX）GEM探测器μ-megas探测器2010-8-159NED20102010-8-1510NED20102010