SA5209 Datasheet, PDF (13/17 Pages) NXP Semiconductors – Wideband variable gain amplifier

Philips Semiconductors
Wideband variable gain amplifier
Product specification
SA5209
16
14
12
0Ω Termination
on INB
10
8
50Ω Termination
on INB
6
T = 25°C
4
V_AGC = 1.1V
R_S = R_L = 50Ω
R_t = ∞ on INA
2
See test-setup 1
0
10
100
Frequency (MHz)
1000
Figure 31. Noise Figure vs Frequency
SR00267
1.4
V_CC = 7.0V
1.35
V_CC = 6.0V
V_CC = 5.0V
1.3
V_CC = 4.5V
1.25
1.2
1.15
1.1
Bandgap Load = 2kΩ
1.05
1
–100
–50
0
50
100
150
Temperature (°C)
SR00269
Figure 32. Bandgap Voltage vs Temperature and V_CC
12
10
8
6
4
R_S = R_L = 50Ω
R_t = 50Ω
R₁ = R₂ = 10k
2
f = 100MHz
See Figure 10
0
–60
–10
40
90
Temperature (°C)
Figure 33. Fixed Gain vs Temperature
140
SR00268
+V_CC GND
IN_A
OUT_A
IN_B
NE5209 OUT_B
TOP VIEW - COMPONENT SIDE
1997 Nov 07
TOP VIEW - SOLDER SIDE
SR00270
Figure 34. VGA AC Evaluation Board Layout
13