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ADN2806 Datasheet(PDF) 1 Page - Analog Devices |
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ADN2806 Datasheet(HTML) 1 Page - Analog Devices |
1 / 20 page 622 Mbps Clock and Data Recovery IC ADN2806 Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other 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 ©2006 Analog Devices, Inc. All rights reserved. FEATURES Exceeds SONET requirements for jitter transfer/ generation/tolerance Patented clock recovery architecture No reference clock required Loss-of-lock indicator I2C® interface to access optional features Single-supply operation: 3.3 V Low power: 359 mW typical 5 mm × 5 mm, 32-lead LFCSP, Pb free APPLICATIONS BPON ONT SONET OC-12 WDM transponders Regenerators/repeaters Test equipment Broadband cross-connects and routers GENERAL DESCRIPTION The ADN2806 provides the receiver functions for clock and data recovery, and data retiming for 622 Mbps NRZ data. The ADN2806 automatically locks to 622 Mbps data without the need for an external reference clock or programming. In the absence of input data, the output clock drifts no more than ±5%. All SONET jitter requirements are met, including jitter transfer, jitter generation, and jitter tolerance. All specifications are quoted for −40°C to +85°C ambient temperature, unless otherwise noted. This device, together with a PIN diode, TIA preamplifier, and a lim amp can implement a highly integrated, low cost, low power fiber optic receiver. The ADN2806 is available in a compact 5 mm × 5 mm, 32-lead LFCSP. FUNCTIONAL BLOCK DIAGRAM 2 LOL DATAOUTP/ DATAOUTN CLKOUTP/ CLKOUTN ADN2806 2 VCC VEE CF1 CF2 PIN NIN VREF BUFFER VCO PHASE SHIFTER PHASE DETECT FREQUENCY DETECT DATA RE-TIMING LOOP FILTER LOOP FILTER REFCLKP/REFCLKN (OPTIONAL) Figure 1. |
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