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ADN2841ACP-48 Arkusz danych(PDF) 1 Page - Analog Devices |
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ADN2841ACP-48 Arkusz danych(HTML) 1 Page - Analog Devices |
1 / 12 page REV. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. a ADN2841 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 2001 Dual-Loop 50 Mbps–2.7 Gbps FUNCTIONAL BLOCK DIAGRAM CONTROL DATAP DATAN CLKP CLKN IMODP IBIAS LD VCC GND ASET IMOD IBIAS GND GND GND GND GND LBWSET IDTONE PAVCAP ERCAP ERSET PSET IMPD2 IMPD VCC MPD VCC ADN2841 IMODN FEATURES 50 Mbps to 2.7 Gbps Operation Typical Rise/Fall Time 80 ps Bias Current Range 2 to 100 mA Modulation Current Range 5 to 80 mA Monitor Photodiode Current 50 A to 1200 A Closed-Loop Control of Power and Extinction Ratio Laser Fail and Laser Degrade Alarms Automatic Laser Shutdown, ALS Dual MPD Functionality for DWDM Optional Clocked Data Full Current Parameter Monitoring 5 V Operation 48-Lead LFCSP Package 32-Lead LFCSP Package (Reduced Functionality) APPLICATIONS DWDM Dual MPD Wavelength Fixing SONET OC-1/3/12/48 SDH STM-1/4/16 Fiber Channel Gigabit Ethernet GENERAL DESCRIPTION The ADN2841 uses a unique control algorithm to control both average power and extinction ratio of the laser diode (LD) after initial factory set up. External component count and PCB area are low as both power and extinction ratio control are fully integrated. Programmable alarms are provided for laser fail (end of life) and laser degrade (impending fail). The ADN2841 has circuitry for a second monitor photodiode which enables DWDM wavelength control. Laser Diode Driver |
Podobny numer części - ADN2841ACP-48 |
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Podobny opis - ADN2841ACP-48 |
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