Philips SA5219
The SA5219 represents a breakthrough in monolithic amplifier design featuring several innovations. This unique design has combined the advantages of a high speed bipolar process with the proven Gilbert architecture. The SA5219 is a linear broadband RF amplifier whose gain is controlled by a single DC voltage.DESCRIPTION
The amplifier runs off a single 5 volt supply and consumes only 40mA. The amplifier has high impedance (1kΩ) differential inputs. The output is 50Ω differential. Therefore, the 5219 can simultaneously perform AGC, impedance transformation, and the balun functions. The dynamic range is excellent over a wide range of gain setting. Furthermore, the noise performance degrades at a comparatively slow rate as the gain is reduced. This is an important feature when building linear AGC systems. PIN CONFIGURATION N, D PACKAGES VCC1 GND1 INA GND1 INB GND1 VBG VAGC 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VCC2 GND2 OUTA GND2 OUTB GND2 GND2 GND2 SR00273 Figure 1. Pin ConfigurationFEATURES
● 700MHz bandwidth● High impedance differential input
● 50Ω differential output
● Single 5V power supply
● 0 - 1V gain control pin
● >60dB gain control range at 200MHz
● 26dB maximum gain differential
● Exceptional VCONTROL / VGAIN linearity
● 7dB noise figure minimum
● Full ESD protection
● Easily cas...