GENERAL DESCRIPTION

The AD8376 is a dual channel, 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 AD8376 an excellent gain control device for a variety of receiver applications.

FEATURES

Dual independent digitally controlled VGAs

Bandwidth of 700 MHz (−3 dB)

Gain range: −4 dB to +20 dB

Step size: 1 dB ± 0.2 dB

Differential input and output

Noise figure: 8.7 dB @ maximum gain

Output IP3 of ~50 dBm at 200 MHz

Output P1dB of 20 dBm at 200 MHz

Dual parallel 5-bit control interface

Provides constant SFDR vs. gain

Power-down control

Single 5 V supply operation

32-lead, 5 mm x 5 mm LFCSP

APPLICATIONS

Differential ADC drivers

Main and diversity IF sampling receivers

Wideband multichannel receivers

Instrumentation