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ADCLK914BCPZ-R7 Arkusz danych(PDF) 1 Page - Analog Devices |
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ADCLK914BCPZ-R7 Arkusz danych(HTML) 1 Page - Analog Devices |
1 / 12 page Ultrafast, SiGe, Open-Collector HVDS Clock/Data Buffer ADCLK914 Rev. A Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2008 Analog Devices, Inc. All rights reserved. FEATURES FEATURES 7.5 GHz operating frequency 7.5 GHz operating frequency 160 ps propagation delay 160 ps propagation delay 100 ps output rise/fall 100 ps output rise/fall 110 fs random jitter 110 fs random jitter On-chip input terminations On-chip input terminations Extended industrial temperature range: −40°C to +125°C Extended industrial temperature range: −40°C to +125°C 3.3 V power supply (VCC − VEE) 3.3 V power supply (VCC − VEE) APPLICATIONS APPLICATIONS Clock and data signal restoration Clock and data signal restoration High speed converter clocking High speed converter clocking Broadband communications Broadband communications Cellular infrastructure Cellular infrastructure High speed line receivers High speed line receivers ATE and high performance instrumentation ATE and high performance instrumentation Level shifting Level shifting Threshold detection Threshold detection FUNCTIONAL BLOCK DIAGRAM FUNCTIONAL BLOCK DIAGRAM D D Q VCC VEE VT Q D D Q VCC VEE VT Q VREF 50Ω 50Ω 50Ω 50Ω ADCLK914 Figure 1. GENERAL DESCRIPTION The ADCLK914 is an ultrafast clock/data buffer fabricated on the Analog Devices, Inc., proprietary, complementary bipolar (XFCB-3) silicon-germanium (SiGe) process. The ADCLK914 features high voltage differential signaling (HVDS) outputs suitable for driving the latest Analog Devices high speed digital- to-analog converters (DACs). The ADCLK914 has a single, differential open-collector output. The ADCLK914 buffer operates up to 7.5 GHz with a 160 ps propagation delay and adds only 110 fs random jitter (RJ). The input has a center tapped, 100 Ω, on-chip termination resistor and accepts LVPECL, CML, CMOS, LVTTL, or LVDS (ac-coupled only). A VREF pin is available for biasing ac-coupled inputs. The HVDS output stage is designed to directly drive 1.9 V each side into 50 Ω terminated to VCC for a total differential output swing of 3.8 V. The ADCLK914 is available in a 16-lead LFCSP. It is specified for operation over the extended industrial temperature range of −40°C to +125°C. |
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