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AD8398A:  Single Port VDSL2 Line Driver with Shutdown

The AD8398A comprises two high speed voltage feedback operational amplifiers. When configured as a differential line driver, the AD8398A is an ideal choice for ADSL2+, VDSL2, and power line communications (PLC) applications. It has high output current, high bandwidth, and fast slew rate, combined with exceptional MTPR and common-mode stability. The AD8398A is available in a thermally enhanced 4 mm ...More

AD8398A:  Single Port VDSL2 Line Driver with Shutdown

Product Description

The AD8398A comprises two high speed voltage feedback operational amplifiers. When configured as a differential line driver, the AD8398A is an ideal choice for ADSL2+, VDSL2, and power line communications (PLC) applications. It has high output current, high bandwidth, and fast slew rate, combined with exceptional MTPR and common-mode stability. The AD8398A is available in a thermally enhanced 4 mm × 4 mm, 16-lead LFCSP.

The AD8398A incorporates power management functionality via two CMOS-compatible control pins, PD0 and PD1. These pins select one of four operating modes: full power, medium power, low power, or complete power-down. In the power- down mode, the quiescent current drops to 0.7 mA.

The AD8398A operates in the extended industrial temperature range of −40°C to +85°C.

Applications

  • ADSL2+/VDSL2 CO/CPE line drivers
  • PLC line driver
  • Consumer xDSL modems
  • Twisted pair line drivers

    • Data Sheet, Rev. A, 10/2009

    RESOURCES & TOOLS

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    • Voltage feedback
    • Wide output swing
      18.4 V p-p differential, RLOAD, Diff = 20 Ω from 12 V supply
    • High output current
      Linear output current of 450 mA peak
    • Low distortion
    • High speed
      85 MHz bandwidth (AV DIFF = 5)
    • Application: ADSL2+,VDSL2
    • Function: Driver
    • -3 dB BW (MHz): 85MHz
    • Slew Rate (V/us): 600V/µs
    • Iout Drive (mA): 0
    • Distortion (dBc): -65dBc
    • Spectral Noise (nV/rtHz): 4.8nV/rtHz

    Functional Block Diagram for AD8398A

    OF NOTE ...

    For more information on the AD8398A, contact the Broadband Group.

    Similar Products

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    Part# Application Function Minimum Gain (Acl) Pos Supply -3 dB BW (MHz) Slew Rate (V/us) Iout Drive (mA) Distortion (dBc) Spectral Noise (nV/rtHz) Price* (1000-4999)
    AD45048 ADSL2+ Driver - - to - 65 55 230 -80 4.5 $2.32
    AD8260 Cable Powerline Driver/Receiver - - to - 180 620 310 -58 2.4 $3.84
    AD8320 Cable CATV Line Driver n/a +12V to +5V 150 n/a n/a -57 53 -
    AD8322 Cable CATV Line Driver - - to - 180 - - -58 64 $3.19
    AD8324 Cable CATV Line Driver - - to - 100 - - -59 157 $1.73
    AD8325 Cable CATV Line Driver - - to - 100 - - -57 56 $3.34
    AD8326 Cable CATV Line Driver - - to - 100 - - -57 100 $3.95
    AD8327 Cable CATV Line Driver - - to - 160 - - -63 64 $3.80
    AD8328 Cable CATV Line Driver - - to - 107 - - -57 135 $1.92
    AD8390A ADSL2+ Driver - +10V to +24V 45 260 400 -70 5 $1.16
    AD8392A ADSL2+ Driver - +10V to +24V 37 515 500 -70 2.5 $2.82
    AD8394 ADSL2+ Driver - +12V to +24V 35 300 350 -70 3 $2.07
    AD8396 ADSL2+ Driver 13 +12V to +24V - - 450 -66 - $1.97
    AD8397 DSL Driver 1 - to - 69 53 310 -84 4.5 $2.32
    AD8398 DSL Driver - +5V to +12V 165 820 200 -95 2.85 $1.77
    AD8398A ADSL2+, VDSL2 Driver - - to +12V 85 600 450 -65 4.8 $1.40
    ADA4310-1 Power Line Driver 1 +6V to +12V 190 820 - -69 2.85 $1.05
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    Temperature Range
    This is the acceptable operating range of the device. The various ranges specified are as follows:
    • Commercial: 0 to +70 degrees Celsius
    • Military : -55 to +125 degrees Celsius
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    • Automotive: -40 to +125 degrees Celsius
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    View PCN
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    *The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
    **Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.