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MAX9480 - Low-Power / Low-Distortion / Central-Office ADSL Drivers and Integrated Drivers/Receivers

General Description

The MAX9480/MAX9481/MAX9482 low-power, low-distortion, class-G, high-current asymmetric digital subscriber line (ADSL) drivers offer Rail-to-Rail® output and are ideal for ADSL in central-office applications.

Key Features

  • o Dissipate Only 655mW While Driving 20.4dBm ADSL Full-Rate DMT-Modulated Signal o Operate with ±5.0V and ±2.5V Power Supplies o Complete ADSL Central-Office Line Interface (MAX9480/MAX9482) Two Preamplifiers plus Class-G Rail-to-Rail Buffers Active Line Termination plus Integrated Hybrid (MAX9480) Low-Noise Uncommitted Receive Amplifiers (MAX9482) Fixed-Gain Receive Amplifiers (MAX9480) Low-Output-Impedance Shutdown Mode o Preamplifiers, Buffers, and Active Line Termination Functions (MAX9481).

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-2539; Rev 1; 1/03 Low-Power, Low-Distortion, Central-Office ADSL Drivers and Integrated Drivers/Receivers General Description The MAX9480/MAX9481/MAX9482 low-power, low-distortion, class-G, high-current asymmetric digital subscriber line (ADSL) drivers offer Rail-to-Rail® output and are ideal for ADSL in central-office applications. Operating from ±5V and ±2.5V supplies, the drivers incorporate two high-speed current-feedback preamplifiers driving two fixed-gain class-G buffers. The buffers can deliver 20.4dBm average line power with a signal crest factor of 5.3, and are designed to be directly DC or AC bridged across a 1:2.5 transformer.