AD8018

PRODUCTION

5 V, Rail-to-Rail, High Output Current, xDSL Line Driver Amplifiers

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Overview

  • Ideal xDSL Line Drive Amplifier for USB, PCMCIA, or PCI-Based Customer Premise Equipment (CPE)
  • Rail-to-Rail Output Voltage and High Output Current Drive
  • 400 mA Output Current into Differential Load of 10 Ω @ 8 V p-p
  • Low Single-Tone Distortion
    -86dBc Worst Harmonic, 6 V p-p into Differential 10 Ω @ 100kHz
  • Low Noise
    4.5 nV/vHz Voltage Noise Density, 100kHz
  • Out-of-Band SFDR = -82dBc, 144kHz to
    500kHz, RLOAD = 12.5 Ω PLINE = 13dBm
  • Low-Power Operation
    3.3 V to 8 V Power Supply Range
    Two Logic Bits for Standby and Shut-down
  • High Speed
    130MHz Bandwidth (-3dB)
    300 V/µs Slew Rate

The AD8018 is a dual, high speed, low cost amplifier capable of driving low distortion signals to within 0.5 V of the supply rail. It is intended for use in single supply xDSL systems where low distortion and low cost is essential, and maximum reach on the line must be attained with the minimum of supply voltages. Each amplifier drives minimum 350 mA of output current and while maintaining -95 dBc of SFDR at 100 kHz, outstanding performance for any xDSL CPE application. The AD8018 is available with flexible standby and shutdown modes. Two bit control (1.5 V threshold referenced to DGND) will put the AD8018 into a full power standby (outputs low impedance) and shutdown (outputs high impedance).

Fabricated in ADI's high speed XFCB process, the high bandwidth and fast slew rate of the AD8018 keep distortion to a minimum, while dissipating a minimum of power. The quiescent current of the AD8018 is low 9 mA/amplifier max. Low distortion, high output voltage drive, and high output current drive in small packages make the AD8018 ideal for use in low cost USB, PCMCIA and PCI Customer Premise Equipment for ADSL, SDSL, VDSL and proprietary xDSL systems.

An evaluation board is available for this product and may be ordered using the following product number AD8018ARU-EVAL.

AD8018
5 V, Rail-to-Rail, High Output Current, xDSL Line Driver Amplifiers
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Evaluation Kits

eval board
EVAL-HSAMP-2

Universal Evaluation Board for Dual High Speed Operational Amplifiers

Product Details

The Universal Dual High Speed Amplifier Evaluation Boards are bare boards that enables users to quickly prototype a variety of amplifier circuits, which minimizes risk and reduces time to market. These boards are all RoHs Compliant. See ordering guide below on what board to order by lead count and package.

Resources

EVAL-HSAMP-2
Universal Evaluation Board for Dual High Speed Operational Amplifiers
EVAL-HSAMP-2 Group EVAL-HSAMP-2CPZ-10 EVAL-HSAMP-2RMZ-10 EVAL-HSAMP-2RMZ-8 EVAL-HSAMP-2RZ-8

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