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AD45048:  Rail-to-Rail Upstream ADSL Line Driver

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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.


  • 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)

Pin Configuration Diagram for AD45048


Наименование Тип контента Тип файлов
AD45048: Rail-to-Rail Upstream ADSL Line Driver Data Sheet (Rev A, 09/2005) (pdf, 153 kB) Технические описания PDF
AN-851: A WiMax Double Downconversion IF Sampling Receiver Design  (pdf, 262 kB) Статьи по применению PDF
UG-128: Universal Evaluation Board for Dual High Speed Op Amps in SOIC Packages  (pdf, 208 kB) Руководства пользователей PDF
RAQs index Rarely Asked Questions HTML
Словарь терминов Глоссарий HTML

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