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Transimpedance amp designed for 100GbE

Posted: 22 Sep 2011 ?? ?Print Version ?Bookmark and Share

Keywords:transimpedance amplifier? limiting amplifier? 100GbE?

Inphi Corp. has rolled out a transimpedance amplifier (TIA)/limiting amplifier (LIA) for 100GbE receivers. The Inphi IN2841TA features interoperability with the company's iPHY 100GbE CMOS PHY solutions.

Presently, 100GbE CFP modules are large and power hungry, limiting port density on modern network line cards. To address this limitation, the industry is migrating to lower power, smaller form-factor CFP2 solutions. The Inphi IN2841TA offers the best sensitivity, excellent overload at the lowest power to enable next generation CFP2 modules, the company stated.

"The relentless hunger for more bandwidth and the demands for faster, always-on access to high-definition video, multimedia content and applications are requiring carriers and data centers to scale their networks from 10GbE to 100GbE," said Loi Nguyen, VP at Inphi. "With its latest TIA, Inphi continues its commitment to enabling the roll out of cloud computing by offering a solution with the low power and high-performance necessary to power these networks."

The Inphi IN2841TA TIA/LIA is designed to support data rates up to 28Gbit/s and offers a wide input dynamic range due to its low input referred noise and its high input overload. The IN2841TA operates in a standard single 3.3V power supply.

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