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Zarlink Laser Diode Drivers Support High-Speed DVD/CD Writing Systems
Posted Feb 6, 2004 Print Version     Page 1of 1

Zarlink Semiconductor has introduced its first commercially available laser diode drivers that support 16X DVD and 52X CD write/rewrite speeds for the next generation of optical disc drives used in high-speed DVD/CD combination recorder units. Powered by Zarlink's laser diode drivers, DVD/CD recorder units will be able to write a 4.7GB DVD disc in under six minutes, according to Zarlink.

Laser diode drivers are electrical-based devices that convert voltage into current, which the laser then converts into a light pulse to burn information onto an optical disc. The ZL40510/1 laser diode drivers include two four-channel devices capable of driving separate 650nm DVD and 780nm CD lasers in a combination DVD/CD unit. The ZL40510 device supports up to x16 capabilities for high-speed DVD recorder systems and optical disc drives, while the ZL40511 is suited for existing lower-speed 4X and 8X systems.

Global manufacturers are currently evaluating the ZL40510/1 laser diode drivers for use in high-speed optical pickup units. Zarlink's devices meet 16X DVD write and rewrite standards currently under development by the DVD Alliance and DVD Forum.

The ZL40510/1 drivers are now in volume production, and are available in 4mm x 4mm, 24-pin QFN (quad flat no-lead) packaging. In quantities of 100K, the ZL40510/1 are priced at US$0.65 each. Evaluation boards for the devices are available.

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