AD8366
AD8366 is Dual-Digital Variable Gain Amplifiers manufactured by Analog Devices.
FEATURES
Matched pair of differential, digitally controlled VGAs Gain range: 4.5 d B to 20.25 d B 0.25 d B gain step size Operating frequency
DC to 150 MHz (2 V p-p) 3 d B bandwidth: 600 MHz Noise figure (NF) 11.4 d B at 10 MHz at maximum gain 18 d B at 10 MHz at minimum gain OIP3: 45 d Bm at 10 MHz HD2/HD3 Better than
- 90 d Bc for 2 V p-p output at 10 MHz at maximum gain Differential input and output Adjustable output mon-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 I IPMB IPPB
VPSIB
DECB OFSB CCMB VCMB VPSOB OPPB OPMB DENB
07584-001
DIGITAL GAIN CONTROL LOGIC
BIT0/CS BIT1/SDAT BIT2/SCLK BIT3 O 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...