AD8325 Datasheet | Analog Devices

a Features Supports DOCSIS Standard for Reverse Path Transmission Gain Programmable in 0.75 d B Steps Over a 59.45 d B Range Low Distortion at 61 d Bm V Output - 57 d Bc SFDR at 21 MHz - 55 d Bc SFDR at 42 MHz Output Noise Level - 48 d Bm V in 160 k Hz 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 FUNCTIONAL BLOCK DIAGRAM VCC (7 PINS) R1 AD8325 VIN+ VIN- DIFF OR SINGLE INPUT AMP VERNIER R2 ZIN (SINGLE) = 800- ZIN (DIFF) = 1.6k- ATTENUATION CORE 8 DECODE POWER AMP ZOUT DIFF = 75- VOUT+ VOUT- 8 DATA LATCH POWER-DOWN...