AD8327
Obsolete5 V CATV Line Driver Coarse Step Output Power Control
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Part Details
- Supports DOCSIS Standard for
Reverse Path Transmission - Gain Programmable in 6.02 dB
Steps over a 48.16 dB Range - Low Distortion at 60 dBmV Output
–63 dBc SFDR at 21 MHz
–57 dBc SFDR at 42 MHz - Output Noise Level
–47 dBmV in 160 kHz
- Maintains 75Ω Output Impedance
Transmit Enable and Transmit
Disable Modes - Upper Bandwidth: 160 MHz (Full Gain Range)
- 5 V Supply Operation
- Supports SPI Interfaces
The AD8327 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 48.16 dB range resulting in gain changes of 6.02 dB/major carry.
Documentation
Application Note 1
Frequently Asked Question 1
Obsolete Data Sheet 1
Product Selection Guide 1
Tutorial 1
This is the most up-to-date revision of the Data Sheet.