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AD8325 - 5 V CATV Line Driver Fine Step Output Power Control

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Description

The

Features

  • Supports DOCSIS Standard for Reverse Path Transmission Gain Programmable in 0.75 dB Steps Over a 59.45 dB Range Low Distortion at 61 dBmV Output.
  • 57 dBc SFDR at 21 MHz.
  • 55 dBc SFDR at 42 MHz Output Noise Level.
  • 48 dBmV in 160 kHz Maintains 75.
  • Output Impedance Transmit Enable and Transmit Disable Modes Upper Bandwidth: 100 MHz (Full Gain Range) 5 V Supply Operation Supports SPI Interfaces.

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Datasheet Details

Part number AD8325
Manufacturer Analog Devices
File Size 453.99 KB
Description 5 V CATV Line Driver Fine Step Output Power Control
Datasheet download datasheet AD8325 Datasheet
Additional preview pages of the AD8325 datasheet.

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Full PDF Text Transcription

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a FEATURES Supports DOCSIS Standard for Reverse Path Transmission Gain Programmable in 0.75 dB Steps Over a 59.45 dB Range Low Distortion at 61 dBmV Output –57 dBc SFDR at 21 MHz –55 dBc SFDR at 42 MHz Output Noise Level –48 dBmV in 160 kHz Maintains 75 � Output Impedance Transmit Enable and Transmit Disable Modes Upper Bandwidth: 100 MHz (Full Gain Range) 5 V Supply Operation Supports SPI Interfaces APPLICATIONS Gain-Programmable Line Driver DOCSIS High-Speed Data Modems Interactive Cable Set-Top Boxes PC Plug-in Cable Modems General-Purpose Digitally Controlled Variable Gain Block 5 V CATV Line Driver Fine Step Output Power Control AD8325 FUNCTIONAL BLOCK DIAGRAM VCC (7 PINS) BYP R1 AD8325 VIN+ VIN– DIFF OR SINGLE INPUT AMP VERNIER R2 ZIN (SINGLE) = 800� ZIN (DIFF) = 1.
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