USB Accessory Switch offers key multimedia functionality.
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Press Release Summary:
Housed in 1.8 x 2.6 x 0.55 mm UMLP package, Model FSA800 handles USB data, stereo and mono audio, microphone, and UART data all on common connector port. Unit offers built-in charger detection and 28 V of overvoltage tolerance. Built-in termination resistors eliminate pop noise, while negative swing capability enables audio signals to swing below ground, eliminating need for AC coupling capacitors. Switch is suited for USB port isolation, connector sharing, and signal multiplexing.
Original Press Release:
Fairchild Semiconductor's USB Accessory Switch - Packs the Most Multi-Media Functionality in the Industry's Smallest Footprint
Allows Microphone, High-Speed USB Data and UART Data All on One Port
San Jose, California - October 8, 2009 - Fairchild Semiconductor (NYSE: FCS) brings designers of cell phones, PDAs and MP3 players a USB accessory switch - the smallest that integrates all of the key multi-media functionality into a low profile UMLP package (1.8mm x 2.6mm x 0.55mm). The FSA800 offers built-in charger detection, 28V of overvoltage tolerance, built-in termination resistors, and negative swing capability. The integration of this rich functionality in a compact package simplifies and reduces external components in portable designs.
The FSA800's rich functionality includes:
o Built-in charger detection, simplifying design.
o Capability of handling USB data, stereo and mono audio, microphone and UART data all on a common connector port and is the only switch able to handle microphone data.
o Low on capacitance (7pf), allowing data to move swiftly along the signal path.
o Built-in termination resistors that eliminate the pop noise that frequently happens when plugging in an audio jack in a cell phone or MP3 player.
o 28V of over-voltage tolerance on the VBUS pin to ensure robust protection against high voltage events.
o Negative swing capability so that audio signals can swing below ground, eliminating the need for AC coupling capacitors. Many alternate solutions do not have this capability and two capacitors must be added into the design.
The FSA800 is part of a comprehensive portfolio of Fairchild's USB solutions. These switches are ideal for USB port isolation, connector sharing and signal multiplexing. They are often used to share or route USB ports and to isolate Flash memory / uDisk removable devices. The switches are designed to be compliant with USB2.0 Full Speed (FS) and Hi-Speed (HS) with bandwidths in excess of 720MHz.
Price (each, 1000 pcs.): $0.70
Availability: Samples available now
Delivery: 6 weeks lead time
Contact Information:
To contact Fairchild Semiconductor about this product, please go to: www.fairchildsemi.com/cf/sales_contacts/.
For information on other products, design tools and sales contacts, please visit: www.fairchildsemi.com.
For information on Fairchild's switch portfolio: www.fairchildsemi.com/products/switches/analogswitch.html
For a datasheet in PDF format, please go to: www.fairchildsemi.com/ds/FS/FSA800.pdf
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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, portable, 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.
