Analog Devices Inc.

1.0 GHz DGA with 30 dB Range and 1 dB Step Size Features: Digitally controlled VGA 1 dB gain step size 2 dB to 32 dB gain range 100 differential input resistance 10 differential output resistance Noise figure: 5.1 dB at 300 MHz, 5 V supply, and maximum gain OIP3 at maximum gain 39.4 dBm at 300 MHz at 5 V supply 38.1 dBm at 700 MHz at 5 V supply Gain step accuracy: 0.2 dB 3 dB bandwidth at 32 dB: 1.0 GHz typical at 5 V supply Multiple control interface options Parallel 5-bit control interface with latch 3- and 4-wire SPI with fast attack Gain step-up and step-down interface Wide input dynamic range Power-down control Single 3.3 V or 5 V supply operation 112 mA quiescent current at 5 V supply 20-lead, 4 mm × 4 mm LFCSP