
Analog Devices
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