Analog Switch operates at more than 720 MHz.
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Press Release Summary:
Consuming less than 1 µA and housed in MicroPak(TM) chip scale package, single-port USB 2.0 Model FSUSB23 is suited for multi-functional cell phones, PDAs, MP3 players, digital cameras, and laptops. Non-adjacent channel crosstalk of -43 dB at 250 MHz minimizes signal interference. Ability to switch Hi-Speed USB signals allows switch to pass eye diagram compliance for ac and dc performance to meet USB 2.0 high-speed standard, while retaining USB 1.1 reverse compatibility.
Original Press Release:
Fairchild Semiconductor Announces Industry's Smallest 2.0" Switch in MicroPak(TM) Chip Scale Package
Ideal for Cell Phone Designs
Wide >720 MHz bandwidth exceeds 3rd order harmonic for virtually transparent switching; MicroPak package reduces footprint by 68% compared to closest competitor
South Portland, Maine-September 13, 2005-Fairchild Semiconductor's (NYSE: FCS) FSUSB23 is the smallest single-port USB 2.0 "Hi-Speed" (480 Mbps) analog switch in a MicroPak(TM) chip scale package (CSP). Its compact packaging, combined with very low power consumption (<1uA) and wide bandwidth (>720 MHz) operation, make it an ideal high-performance, space-saving USB 2.0 switch for today's multi-functional cell phones. Fairchild's 1.6 mm x 2.1 mm MicroPak 10-terminal chip scale package delivers a 68% footprint reduction compared to typical competitive switches (3.36 mm² vs. 10.5 mm²). Additional applications for the FSUSB23 include PDAs, MP3 players, digital cameras and laptops.
The FSUSB23's ability to switch Hi-Speed USB signals allows it to comfortably pass the eye diagram compliance for AC and DC performance to meet the USB 2.0 high-speed standard. It also retains complete USB 1.1 full-speed (12 Mbps) reverse compatibility for use in a range of applications.
"Signal integrity and low power consumption are especially critical considerations in cell phone applications," said Jerry Johnston, Fairchild product manager for Analog Switches. "The FSUSB23's wide bandwidth meets these concerns by easily passing 3rd order harmonic frequencies with virtually undetectable levels of distortion and jitter. Additionally, the convergence of more features and connectivity into increasingly smaller ultra-portables is driving the demand for Hi-Speed USB switches in the smallest available packages. The combined performance attributes and ultra-compact packaging of the FSUSB23 offer designers the flexibility they need to solve their design challenges."
Other key design features of the FSUSB23 include:
Higher 7 kV Electrostatic Discharge (ESD) vs. typical 2 kV ESD in competing components provides greater application robustness;
6 Ohms typical On Resistance (RON) improves noise margin;
Non-adjacent channel crosstalk (-43dB at 250 Mhz) minimizes signal interference; and
Choice of 16-terminal DQFN package offers better suitability for notebooks and other larger portable applications.
The FSUSB23 complements Fairchild's expanding line of high-performance USB switch solutions providing the industry's best combination of wide bandwidth, high signal quality and compact packaging. Other USB-compliant products include the FSUSB22, a low-power two-port analog switch also for Hi-Speed USB compliance, and the FSUSB11, a low-power, single-port full-speed USB switch.
The lead (Pb)-free FSUSB23 meets or exceeds the requirements of the joint IPC/JEDEC standard J-STD-020B and is compliant with European Union requirements.
Price: $0.97 each (1000 pcs) for either package configuration: FSUSB23L10X (MicroPak(TM)), FSUSB23BQX (DQFN)
Availability: Now
Delivery: 4 weeks ARO
About Fairchild Semiconductor
Fairchild Semiconductor (NYSE: FCS) is the leading global supplier of high-performance power products critical to today's leading electronic applications in the computing, communications, consumer, industrial and automotive segments. As The Power Franchise®, Fairchild offers the industry's broadest portfolio of components that optimize system power through minimization, conversion, management and distribution functions. Fairchild's 9,000 employees design, manufacture and market power, analog & mixed signal, interface, logic, and optoelectronics products from its headquarters in South Portland, Maine, USA and numerous locations around the world. Please contact us on the web at www.fairchildsemi.com.
