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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 multitone power ratio (MTPR) and common-mode stability. The AD8398A is available in ...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 multitone power ratio (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 drivers
  • Consumer xDSL modems
  • Twisted pair line drivers

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
    −65 dBc for Profile 8b @
    20.4 dBm
    −55 dBc for Profile 17a @
    14.5 dBm
  • 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.

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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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*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.