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SiRES LABS VCSEL driver only consumes 166mW

Posted: 24 Jan 2005 ?? ?Print Version ?Bookmark and Share

Keywords:sires labs? vcsel driver?

SiRES LABS recently launched its single and quad channel VCSEL driver in speeds of 3.125-, 2.5- and 1.25Gbps, which is designed for use in backplanes, intra system parallel links, OC-192 VSR SONET/SDH links, Fiber Channel, DVI Links and laser printers.

"With this very efficient power consumption feature, the need for heatsinks is eliminated or reduced, bringing about substantial cost saving advantages," said CEO Sean Murphy. "Also, with lower heat dissipation on board, components can be more densely packed without compromising on performance levels."

The new VCSEL drivers offer the flexibility of selecting variable IBIAS and IMOD values, and programmable upper and lower threshold levels for VCSEL fault detection, allowing the chip to be easily matched with third-party VCSELs. The integrated temperature sensor enables the chip to be used in applications where temperature compensation is required without the need to use monitor photodiodes, added the company.

Other features include multi-standard differential inputs accepting LVDS, LVPECL and CML (standards) formats, and compatibility to 850nm VCSELs. It has a modulation current of 12mA and a bias current of 11mA. The disable and enable times are 4ns and 17.7ns, respectively, and the transmitter ready (TXR) response time is 144ns.

Additionally, SiRES LABS said, the product's die size of 2,184-by-2,184?m and minimum power consumption of 166mW address the space and cost efficiency requirements module makers are constantly looking for. Components are available in bare die format, with samples and evaluation kits already available.

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