Nanotech Semi intros CMOS gigabit TIA

July 18, 2007
JULY 18, 2007 -- Nanotech Semiconductor Ltd. has announced a new CMOS transimpedance amplifier (TIA), the NT24L50.

JULY 18, 2007 -- Nanotech Semiconductor Ltd. (search for Nanotech Semiconductor) has announced a new CMOS transimpedance amplifier (TIA), the NT24L50.

The NT24L50 TIA is designed to offer sensitivity of -32 dBm at 1.25 Gbits/sec, and with only 28 mA of power consumption. Nanotech says overall performance is superior to any existing TIA on the market, coupled with the lowest manufacturing costs only available on 0.18-micron "Logic" CMOS, made at the world's largest silicon foundry.

Applications for the NT24L50 include Gigabit Ethernet and GePON/FTTH. The IC requires a single 3.3-V supply, and is pin-compatible with previous devices, while on-chip filtering permits a reduction in the bill of materials. No passive components are needed, the company adds. Photodiode monitor source/sink and output polarity are both bond-programmable to improve build flexibility.

Samples, datasheets and applications support materials are available now; production quantities should be available from Q3 2007, Nanotech says.

Dr. Ya Nong Ning, marketing director for GOF products, said, "Until recently it was thought that the ultimate in sensitivity performance required a lot of power consumption. On the contrary, at approximately 95 mW, Nanotech's breakthrough architecture offers one-third less power consumption than its nearest competitor. Most importantly, 95 mW is below the threshold at which heat-management solutions are required, meaning significant space and cost savings, and higher reliability -- all key issues for the telecoms sector. Furthermore, this new architecture is rapidly extendable to 2.5 Gbits/sec and beyond."

Gary Steele, CEO, commented: "The R&D team are rightly proud to have again brought out a product which is, quite simply, the best in the world. The optical communications market is still very hungry for these kinds of breakthrough products, and we are actively looking for more of the best IC designers in the world -- and to train younger designers -- so we can continue to satisfy our customers growing requirements".

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