Fairchild Semiconductor Introduces the First Camera Isolation Switch for Portable Devices

SAN JOSE, Calif. — (BUSINESS WIRE) — June 16, 2009 Fairchild Semiconductor (NYSE: FCS) brings designers of 3G smartphones, netbooks, set-top boxes and notebooks the industry’s first image module switch that isolates parasitic components to maintain signal integrity. The FSA1211 is a 12-port, single pole, single throw (SPST) analog switch that isolates the high speed bus from parasitic components in dual camera applications. Smartphones feature dual cameras and as these cameras move to higher and higher resolutions, parasitic components play a critical role in deteriorating signals and generating unwanted EMI.

With a bandwidth in excess of 720MHz and high ESD (5.5 kV), the FSA1211 offers an optimal way to isolate capacitance and maintain signal integrity for high speed data paths. In addition, when isolating the unused parallel interface, the FSA1211 reduces the radiated EMI of the path, improving RF desense. The traditional parallel solution can deteriorate the signal due to the unwanted “stub,” resulting in image degradation of the camera module. Another approach is to use three analog switches, which complicates design and adds to the overall bill of material (BOM) costs. In contrast, the FSA1211 offers robust isolation and ease of design at a lower cost.

The FSA1211 complements Fairchild’s comprehensive offering of switch products used in portable and consumer applications. These analog, audio, video and USB switches are instrumental in minimizing redundant circuitry, eliminating connectors, simplifying design and conserving space in designs. Offered in a variety of functions, configurations, packages and performance levels, Fairchild’s switches are pivotal in solving portable and consumer design challenges.

Price (each, 1000 pcs.): US $0.80

Availability: Samples available now

Delivery: Now

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Note to Editor: For a datasheet in PDF format, please go to:


About Fairchild Semiconductor:

Fairchild Semiconductor (NYSE: FCS) is a global leader delivering energy-efficient power analog and power discrete solutions. Fairchild is The Power Franchise®, providing leading-edge silicon and packaging technologies, manufacturing strength and system expertise for consumer, communications, industrial, mobile, computing and automotive systems. An application-driven, solution-based semiconductor supplier, Fairchild provides online design tools and design centers worldwide as part of its comprehensive Global Power ResourceSM. Please contact us on the web at www.fairchildsemi.com.


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