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GENERAL DESCRIPTION

The AD8372 is a dual, digitally controlled, variable gain amplifier that provides precise gain control, high IP3, and low noise figure. The excellent distortion performance and moderate signal bandwidth make the AD8372 a suitable gain control device for a variety of multichannel receiver

applications.

FEATURES

Dual independent digitally controlled VGA

Differential input and output

150 Ω differential input

Open-collector differential output

7.8 dB noise figure to 100 MHz @ maximum gain

HD2/HD3 better than 77 dBc for 1 V p-p differential output

?3 dB bandwidth of 150 MHz

41 dB gain range

1 dB step size ± 0.2 dB

Serial 8-bit bidirectional SPI control interface

Wide input dynamic range

Pin-programmable output stage

Power-down feature

Single 5 V supply: 106 mA per channel

32-lead LFCSP, 5 mm × 5 mm package