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GENERAL DESCRIPTION

The AD8375 is a digitally controlled, variable gain, wide bandwidth amplifier that provides precise gain control, high IP3, and low noise figure. The excellent distortion performance and high signal bandwidth make the AD8375 an excellent gain control device for a variety of receiver applications.

FEATURES

Bandwidth of 630 MHz (?3 dB)

Gain range: ?4 dB to +20 dB

Step size: 1 dB ± 0.2 dB

Differential input and output

Noise figure: 8 dB @ maximum gain

Output IP3 of ~50 dBm at 200 MHz

Output P1dB of 19 dBm at 200 MHz

Provides constant SFDR vs. gain

Parallel 5-bit control interface

Power-down feature

Single 5 V supply operation

24-lead, 4 mm × 4 mm LFCSP

APPLICATIONS

Differential ADC drivers

High IF sampling receivers

Wideband multichannel receivers

Instrumentation