5 V CATV Line Driver Fine Step Output Power Control
The AD8325 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 59.45 dB range resulting in gain changes of 0.7526 dB/LSB.
The AD8325 is packaged in a low-cost 28-lead TSSOP, operates from a single 5 V supply, and has an operational temperature range of -40C to +85C.
An evaluation board is available for this product and may be ordered using the following product number AD8325-EVAL.
By Analog Devices, Inc.
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