pb-VSC7966-001 VSC7966 specifications: 4 package size: 5 mm 5 mm qfp-n 4 maximum modulation = 80 ma 4 typical core power = 330 mw 155 mbps to 1.25 gbps laser driver and post amplifier transport products benefits: 4 reduces board space and simplifies the design 4 provides advance system diagnostics, enabling full support of sff-8472 4 improves accuracy of the monitor diode input by allowing the user to select the resistance and capacitance in the input 4 enables the user to adjust the level of the crossing point on the laser driver output 4 no external components are required to meet iec-60825 eye safety specifications features: 4 integrated laser driver and limiting amplifier 4 digital control interface 4 selectable resistance on monitor diode input 4 laser driver crossing point control 4 built-in eye safety support sfp/sff module vsc7964/5/6 limiting amplifier laser driver vsc797x-wd rosa sfp/sff msa connector tosa microcontroller spi fault and control logic adc analog mux mon_sel block diagram:
general description: 155 mbps to 1.25 gbps laser driver and post amplifier VSC7966 741 calle plano camarillo, ca 93012, usa tel: +1 805.388.3700 fax: +1 805.987.5896 www.vitesse.com sales@vitesse.com trademarks ? vitesse, asic-friendly, fibretimer, timestream, snoop loop, super fec, focusconnect, meigs-ii, meigs-iie, lansing, campbell-i, barrington, pacemaker, hovcat48, hovcat48e, hovcat192, hovcat192e, micro phy, focus32, focus16, iq2200, versacat, gigastream, hawx, sparx, stax, vstax, simpliph y,veriphy, actiphy, xfp pro, sfp pro, smart-linkoctalmac, eq technology are trademarks in the united states and/or other jurisdictions of vitesse semiconductor corporation. all other trademarks or registered trademarks mentioned herein are the property of their respective holders. copyright ? vitesse semiconductor corporation ("vitesse") retains the right to make changes to its products or specifications to improve pe rformance, reliability or manufacturability. all information in this document, including descriptions of features, functions, performance, technical specifications and availabi lity, is subject to change without notice at any time. while the information furnished herein is held to be accurate and reliable, no responsibility will be assumed by vitesse for its use. furthermore, the information contained herein does not convey to the purchaser of microelectronic devices any license under the patent right of any manufacturer. the VSC7966 device is a multirate 1.25 gbps integrated laser driver and limiting amplifier for sonet/sdh, fast ethernet, and gigabit ethernet applications optimized to reduce module cost. the device is intended to drive distributed feedback (dfb) and fabry perot (fp) lasers. a standard spi port is provided for programming integrated digital to analog converters for laser bias current, modulation current, average power, and the limiting amplifier loss of signal threshold. the VSC7966 device is equipped with sfp-compliant fault indicators, redundant disable control, automatic power control, temperature sensor, various signal monitors, and robust eye safety features. the VSC7966 device is available in a 5 mm x 5 mm 32-pin qfp-n plastic package.
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