Product Summary
PRODUCT DESCRIPTION The AD8019 is a low cost xDSL line driver optimized to drive aminimum of 13 dBm into a 100load while delivering outstand-ing distortion performance. The AD8019 is designed on a 24 Vhigh-speed bipolar process enabling the use of 12 V powersupplies or 12 V only. When operating from a single 12 V sup-ply the highly efficient amplifier architecture can typically deliver170 mA output current into low impedance loads through a1:2 turns ratio transformer. Hybrid designs using 12 V suppliesenable the use of a 1:1 turns ratio transformer, minimizing attenu-ation of the receive signal. The AD8019 typically draws 9 mA/amplifier quiescent current. A 1-bit digital power down featurereduces the quiescent current to approximately 1.6 mA/amplifier.Figure 1 shows typical Out of Band SFDR performance underADSL CPE (upstream) conditions. SFDR is measured whiledriving a 13 dBm ADSL DMT signal into a 10050back termination.The AD8019 comes in thermally enhanced 8-lead SOIC and14-lead TSSOP packages. The 8-lead SOIC is pin-compatiblewith the AD8017 12 V line driver.
Parametrics
Specifications of AD8019AR-REEL
Power Supply Requirement Single/Dual Package Type SOIC N
Slew Rate 450V/us Pin Count 8
Lead Free Status / RoHS Status Not Compliant
Features
FEATURES
Low Distortion, High Output Current Amplifiers
Operate from 12 V to 12 V Power Supplies,
Ideal for High-Performance ADSL CPE, and xDSL
Modems
Low Power Operation
9 mA/Amp (Typ) Supply Current
Digital (1-Bit) Power-Down
Voltage Feedback Amplifiers
Low Distortion
Out-of-Band SFDR –80 dBc @ 100 kHz into 100 Line
High Speed
175 MHz Bandwidth (–3 dB), G = +1
400 V/s Slew Rate
High Dynamic Range
VOUT to within 1.2 V of Power Supply
APPLICATIONS
ADSL, VDSL, HDSL, and Proprietary xDSL USB, PCI,
PCMCIA Modems, and Customer Premise Equipment
Diagrams
Image | Part No | Mfg | Description | ![]() |
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![]() AD8019AR-REEL |
![]() Analog Devices Inc |
![]() IC XDSL LINE DVR 8-SOIC |
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