AD8366

DC to 600 MHz, Dual-Digital Variable Gain Amplifiers AD8366 FEATURES Matched pair of differential, digitally controlled VGAs Gain range: 4.5 dB to 20.25 dB 0.25 dB gain step size Operating frequency DC to 150 MHz (2 V p-p) 3 dB bandwidth: 600 MHz Noise figure (NF) 11.4 dB at 10 MHz at maximum gain 18 dB at 10 MHz at minimum gain OIP3: 45 dBm at 10 MHz HD2/HD3 Better than −90 dBc for 2 V p-p output at 10 MHz at maximum gain Differential input and output Adjustable output common-mode Optional dc output offset correction Serial/parallel mode gain control Power-down feature Single 5 V supply operation FUNCTIONAL BLOCK DIAGRAM DECA OFSA CCMA VCMA VPSOA OPPA OPMA SENB VPSIA IPPA IPMA ENBL ICOM IPMB IPPB VPSIB DECB OFSB CCMB VCMB VPSOB OPPB OPMB DENB 07584-001 DIGITAL GAIN CONTROL LOGIC BIT0/CS BIT1/SDAT BIT2/SCLK BIT3 OCOM BIT4 BIT 5 DENA Figure 1. APPLICATIONS Baseband I/Q receivers Diversity receivers Wideband ADC drivers GENERAL DESCRIPTION The AD8366 is a matched pair of full...