doi:10.1016/j.mejo.2011.06.005engAznar, FranciscoGaberl, WolfgangZimmermann, HorstA 0.18 mm CMOS transimpedance amplifier with 26 dB dynamic range at 2.5 Gb/sART-2011-85619A new transimpedance amplifier (TIA) for 2.5 Gb/s optical communications fabricated in a standard 0.18 μm CMOS process is presented. The proposed TIA is based on a conventional structure with an inverting voltage amplifier and a feedback resistor, but incorporates a new technique to enhance the input dynamic range and to prevent the TIA from saturation at high input currents. According to electrical characterization the receiver shows an optical sensitivity of −26 dB m for a BER=10−12, assuming a responsivity of 1 A/W, and an optical power dynamic range above 26 dB. The power consumption of the core is only 10.6 mW at a single supply voltage of 1.8 V.2011http://zaguan.unizar.es/record/14898110.1016/j.mejo.2011.06.005http://zaguan.unizar.es/record/148981oai:zaguan.unizar.es:148981info:eu-repo/grantAgreement/ES/MICINN-FEDER/TEC2008-05455/TECMICROELECTRONICS JOURNAL 42, 5 (2011), 1136-1142All rights reservedhttp://www.europeana.eu/rights/rr-f/info:eu-repo/semantics/closedAccess