OBSOLETE PRODUCT — AD8327:  5 V CATV Line Driver Coarse Step Output Power Control

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.


Rochester Electronics is the only authorized source of Analog Devices' products that have previously been discontinued or have become obsolete. Product availability should be checked directly with Rochester Electronics.


Bandwidth -3dB (typ) 160MHz
Gain/Attenuate Range (dB) +48dB
Gain (min) --18dB
Gain (max) +30dB; 48dB
Gain Control Step (dB) 6.02dB
HD 2 (typ) +-54dBc
HD 3 (typ) +-57dBc
Vsupply Positive (max) +5V
Package 20-Lead TSSOP
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