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VOLUME -25 NUMBER 8
Publication Date: 08/1/2010
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Electronic Mfg. Services
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Special Features: Test and Measurement
Product Preview: AATE/IPC Midwest
August 2010 Issue
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Fairchild: Integrated USB Switch Reduces
Integrated USB switch.
San Jose, CA — Fairchild Semiconductor is now offering mobile handset designers an auto-selecting Hi-Speed USB switch with an integrated cap-free headphone audio amplifier. Designated FSA2000, the product is described as an industry first, and reduces component count, board space and BOM cost.\par \Current solutions rely on the use of several discrete components such as a USB switch, two large 220µF capacitors and an external headphone amplifier. The new circuit eliminates these additional components, saving board space and BOM costs. It is a USB 2.0 Full Speed (FS) and Hi-Speed (HS) compliant switch that integrates a class AB cap-free headphone amplifier.
The product also has the ability to auto-switch to USB when VBUS is present. During this process, it does not need to power-up the headphone amplifier, saving power and conserving device battery life.
The new IC is part of a comprehensive portfolio of USB solutions suitable for USB port isolation, connector sharing and signal multiplexing. These solutions are often used to share or route USB ports through implementing advanced detection techniques. The switches are compliant with USB2.0 FS/HS with bandwidths in excess of 720MHz.
Contact: Fairchild Semiconductor Corp., 3030 Orchard Parkway, San Jose, CA 95134
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