Datasheet Analog Devices AD8375 — 数据表

Ultralow Distortion IF VGA
AD8375 Data Sheet
FEATURES FUNCTIONAL BLOCK DIAGRAM
VPOS Bandwidth of 630 MHz (−3 dB)
Gain range: −4 dB to +20 dB
Step size: 1 dB ± 0.2 dB
Differential input and output
Noise figure: 8 dB @ maximum gain
Output IP3 of ~50 dBm at 200 MHz
Output P1dB of 19 dBm at 200 MHz
Provides constant SFDR vs. gain
Parallel 5-bit control interface
Power-down feature
Single 5 V supply operation
24-lead, 4 mm × 4 mm LFCSP COMM VCOM PWUP AD8375 OUT+
VIN+ OUT+ α VIN– POST-AMP
OUT–
OUT– APPLICATIONS A4 A3 A2 A1 06724-001 REGISTERS
AND
GAIN DECODER A0 Figure 1. Differential ADC drivers
High IF sampling receivers
Wideband multichannel receivers
Instrumentation GENERAL DESCRIPTION The AD8375 is powered on by applying the appropriate logic …