tia56 a 43 gb/s limiting transimpedance amplifier with pld product summary : rev - 1/17/2013 - 1 of 1 - disclaimer: subject to change without notice ? 2013 triquint semiconductor, inc. connecting the digital world to the global network ? applications 1.0 x 1.2 mm 2 die ? 43 gbps dpsk receivers ? tia for photoreceiver ? amplitude regeneration ? active power/signal splitter ? 50 line driver product features block diagram ? different ial input and different ial output ? input or output can be used single - ended ? l imiting operatio n , 4.5k differential transimpedance ? low noise, 30 pa/ ? hz typical ? a djustable input offset ? peak level detection ? o utput sense for offset control ? bandwidth of 30ghz that can be adjusted ? o utput eye shape adjustment pin ? dc an d ac coupled operation ? s ingle supply voltage of - 5.2 v ? sige technology with ? t / ? max of 170 / 250 ghz general description output characteristic the tia56 a is a versatile high - speed trans - impedance amplifier designed for the amplification and manipulation of signals with data rates to over 43 gb/s with >28ghz bandwidth . the tia56 a consists of a fully symmetrical differential input and output buffer and is optimized for 50 line termination. for applications which require adjustable input bias or compensation of dc input currents (e.g. photodiodes) the tia56 a allows adjusting the bias input current for each input independently. by using the output s ensing pins, an offset cancellation loop can be established. the output voltage swing can be set up to to 800 mvpp differential by using the swing option. the symmetry of the output signal can be optimized usi ng the sym option . this feature can be used e. g. for optimizing the ber. the input signal swing can be monitored using the peak level detector (pld) output . differential output signal at 43 gbps ordering information part no. eccn description tia56 a ear99 43 g b /s transimpedance amplifier w/pld
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