ADL5205
FEATURES
Dual, independent, digitally controlled gain amplifier (DGA)
- 9 d B to +26 d B gain range 1 d B step size, ±0.2 d B accuracy at 200 MHz 100 Ω differential input resistance 10 Ω differential output resistance 1.2 d B change in noise figure for first 12 d B of gain reduction Output third-order intercept (OIP3): 48.5 d Bm at 200 MHz, 5 V, high performance mode
- 3 d B bandwidth: 1700 MHz typical in high performance mode Multiple control interface options
Parallel 6-bit control interface with latch Serial peripheral interface (SPI) with fast attack Gain step up/down interface Wide input dynamic range Low power mode Power-down control Single 3.3 V or 5 V supply operation 40-lead, 6 mm × 6 mm LFCSP package
APPLICATIONS
Differential analog-to-digital converter (ADC) drivers High intermediate frequency (IF) sampling receivers High output power IF amplification Instrumentation
FUNCTIONAL BLOCK DIAGRAM
SIDE A
SPI WITH FA,
PARALLEL WITH LATCH,
UP/DOWN
PWUPA
VPOS
LOGIC
VINA+
0d B TO 23d...
