june 2009 ? 2008 fairchild semiconductor corporation www.fairchildsemi.com FSA1211 ? rev. 1.0.5 FSA1211 ? low-power, twelve-port , high-speed isolation switch FSA1211 ? low-power, twelve-port, high-speed isolation switch features ? low c off capacitance: 2.0pf typical ? low on resistance: 7.5 ? typical ? low power consumption: 1 a maximum ? 10 a maximum i cct over an expanded voltage range (v in =2.6v, v cc =4.3v) ? wide -3db bandwidth: > 720mhz ? packaged in space-saving 28-lead umlp ? 5.5kv esd rating; >9kv power/gnd esd rating ? low on capacitance: 6pf typical applications ? cell phone, pda, digital camera, and notebook ? lcd monitor, tv, and set-top box important note: for additional performance info rmation, please contact analogswitch@fairchildsemi.com . description the FSA1211 is a low-power, twelve-port, high-speed switch. this part is configured as a single-pole, single- throw switch (spst) and is optimized for isolating a high-speed source, such as a cell phone camera interface. the FSA1211 features an extremely low on capacitance (c on ) of 6pf. the wide bandwidth (>720mhz) exceeds the bandwidth needed to pass the third harmonic, resulting in signals with minimum edge and phase distortion. superior channel-to-channel crosstalk minimizes interference. the FSA1211 contains specia l circuitry on pins a and b that allows the device to withstand an over-voltage condition. this device is designed to minimize current consumption even when the control voltage applied to the /oe pin is lower than the supply voltage (v cc ). this feature is especially valuable for mobile applications, such as cell phones, allowing direct interface with the general-purpose i/os of the baseband processor. other applications include port isolation and switching in portable cell phones, pdas, digital cameras, printers, and notebook computers. ordering information part number top mark operating temperature range eco status package FSA1211umx f1211 -40 to +85c green 28-lead, quad, ultra-thin molded leadless package (umlp), 3.5x4mm FSA1211udmx f1211 -40 to +85c green 28-lead, quad, dual-row, ultra-thin molded leadless package (umlp), 3.6x2.9mm for fairchild?s definition of eco status, please visit: http://www.fairchildsemi.com/com pany/green/rohs_green.html . figure 1. analog symbol camera baseband processor /oe v cc FSA1211 1a 2a 3a 4a 5a 6a 7a 8a 9a 10a 11a 12a 1b 2b 3b 4b 5b 6b 7b 8b 9b 10b 11b 12b camera
? 2008 fairchild semiconductor corporation www.fairchildsemi.com FSA1211 ? rev. 1.0.5 11 FSA1211 ? low-power, twelve-port , high-speed isolation switch
|
