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AD8328 - 5 V Upstream Cable Line Driver

General Description

The AD8328 is a low cost amplifier designed for coaxial line driving.

Key Features

  • Supports DOCSIS and EuroDOCSIS standards for reverse path transmission systems Gain programmable in 1 dB steps over a 59 dB range Low distortion at 60 dBmV output.
  • 57.5 dBc SFDR at 21 MHz.
  • 54 dBc SFDR at 65 MHz Output noise level @ minimum gain 1.2 nV/√Hz Maintains 300 Ω output impedance Tx-enable and Tx-disable condition Upper bandwidth: 107 MHz (full gain range) 5 V supply operation Supports SPI interfaces.

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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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DISTORTIONOBS(dBc) OLETE FEATURES Supports DOCSIS and EuroDOCSIS standards for reverse path transmission systems Gain programmable in 1 dB steps over a 59 dB range Low distortion at 60 dBmV output −57.5 dBc SFDR at 21 MHz −54 dBc SFDR at 65 MHz Output noise level @ minimum gain 1.2 nV/√Hz Maintains 300 Ω output impedance Tx-enable and Tx-disable condition Upper bandwidth: 107 MHz (full gain range) 5 V supply operation Supports SPI interfaces APPLICATIONS DOCSIS and EuroDOCSIS cable modems CATV set-top boxes CATV telephony modems Coaxial and twisted pair line drivers GENERAL DESCRIPTION The AD8328 is a low cost amplifier designed for coaxial line driving. The features and specifications make the AD8328 ideally suited for MCNS-DOCSIS and EuroDOCSIS applications.