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AD8328 Dataheets PDF



Part Number AD8328
Manufacturers Analog Devices
Logo Analog Devices
Description 5 V Upstream Cable Line Driver
Datasheet AD8328 DatasheetAD8328 Datasheet (PDF)

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 .

  AD8328   AD8328



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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. The gain of the AD8328 is digitally controlled. An 8-bit serial word determines the desired output gain over a 59 dB range, resulting in gain changes of 1 dB/LSB. The AD8328 accepts a differential or single-ended input si.


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