AD8323 Datasheet - Analog Devices

AD8323 5 V CATV Line Driver Fine Step Output Power Control

DISTORTION * dBc The AD8323 is a low-cost, digitally controlled, variable gain amplifier optimized for coaxial line driving applications such as cable modems that are designed to the MCNS-DOCSIS upstream standard. An 8-bit serial word determines the desired output gain over a 53.5 dB range.

AD8323 Features

* Supports DOCSIS Standard for Reverse Path Transmission Gain Programmable in 0.75 dB Steps Over a 53.5 dB Range Low Distortion at 60 dBmV Output

* 56 dBc SFDR at 21 MHz

* 55 dBc SFDR at 42 MHz Output Noise Level

* 48 dBmV in 160 kHz Maintains 75 ⍀ Output Impedance Power-Up and Po

AD8323_AnalogDevices.pdf