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

General Description

The

Key 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

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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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.