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AD45048AR 数据表(PDF) 1 Page - Analog Devices |
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AD45048AR 数据表(HTML) 1 Page - Analog Devices |
1 / 8 page Rail-to-Rail Upstream ADSL Line Driver AD45048 Rev. A 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 © 2005 Analog Devices, Inc. All rights reserved. FEATURES Dual op amp Voltage feedback Wide supply range: from 3.3 V to 24 V Rail-to-rail output Output swing to within 0.5 V of supply rails @ 230 mA 23 V p-p differential, RLOAD of 50 Ω from 12 V supply High output current Linear output current of 230 mA peak into 25 Ω −68 dBc MTPR @ 15 dBm (100 Ω telephone line) Low noise 4.5 nV/ √Hz voltage noise density @ 100 kHz 1.5 pA/ √Hz current noise density @ 100 kHz High speed 65 MHz bandwidth (AV = 1, −3 dB) 55 V/μs slew rate (RLOAD = 25 Ω) APPLICATIONS Consumer xDSL modems Twisted pair line drivers ADSL CPE applications (Drop in replacement for TS613ID and EL1519CS) Audio applications GENERAL DESCRIPTION The AD45048 ADSL CPE line driver is a dual operational amplifier capable of driving high output current (230 mA); it features a rail-to-rail output stage that swings to within 0.5 V of the supply rails. The AD45048 rail-to-rail output stage surpasses the output voltage capability of typical emitter- follower output stages and can deliver up to 23 V p-p differentially from a single 12 V supply in ADSL CPE line driving applications. The low distortion, high output current and wide output dynamic range make the AD45048 ideal for driving upstream signals in ADSL CPE applications. Fabricated with ADI’s high speed XFCB-HV (eXtra Fast Complementary Bipolar-High Voltage) process, the high bandwidth and fast slew rate of the AD45048 keep distortion to a minimum while dissipating minimum power. The AD45048 is available in a standard 8-lead SOIC package that can operate from −40°C to +85°C. PIN CONFIGURATION OUT1 1 –IN1 2 +IN1 3 –VS 4 +VS OUT2 –IN2 +IN2 8 7 6 5 Figure 1. 8-Lead SOIC 10 –90 –80 –70 –60 –50 –40 –30 –20 –10 0 CENTER 86.31174378kHz 1kHz/ SPAN 10kHz –68dB Figure 2. AD45048AR Upstream ADSL MTPR (13 dBm, CF = 5.3) |
类似零件编号 - AD45048AR |
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类似说明 - AD45048AR |
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