SA5219D NXP Semiconductors, SA5219D Datasheet - Page 6

• Manufacturer Part Number: SA5219D
• Manufacturer: NXP Semiconductors

Specifications of SA5219D

• Number Of Channels: 1
• Supply Current: 50@5VmA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 7V
• Power Dissipation: 1.1W
• Package Type: SO
• Mounting: Surface Mount
• Pin Count: 16
• Noise Figure (typ): 9.3@50MHzdB
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Lead Free Status / Rohs Status: Compliant

Philips Semiconductors
1997 Nov 07
Wideband variable gain amplifier
V
IN
50
10 F
0.1 F
0.1 F
0.1 F
SOURCE
SOURCE
50
SOURCE
50
50
1
2
3
4
5
6
7
8
Figure 6. Narrowband Noise Optimization
Figure 5. Broadband Noise Optimization
Figure 7. Broadband Gain Optimization
MINI CIRCUITS
2:1 BALUN
OR SIMILAR
2:1 TURNS RATIO
LC TUNED
TRANSFORMER
MINI CIRCUITS
4:1 BALUN OR
EQUIVALENT
Figure 4. VGA AC Evaluation Board
1 : 2
1 : 4
V
GND1
IN
GND1
IN
GND1
V
V
AGC
CC1
BG
A
B
6
+5V
+1V
+5V
+1V
+5V
+1V
5219
5219
5219
V
V
V
AGC
OUT
AGC
AGC
OUT
V
GND
GND2
GND2
GND2
GND2
CC2
A
B
2
16
15
14
13
12
10
11
9
50
50
50
0.1 F
0.1 F
OUTPUT
OUTPUT
OUTPUT
50
50
50
0.1 F
This circuit will exhibit about a 7dB
noise figure with approximately
22dB gain. Narrowband circuits
have the advantage of greater stabil-
ity, particularly when multiple de-
vices are cascaded.
This circuit will exhibit about an 8dB
noise figure with 24dB gain.
OUT
OUT
This circuit will exhibit about a 7dB
noise figure with approximately
22dB gain.
A
B
V
+
Product specification
SR00276
5VDC
V
CC
SA5219
SR00279
SR00278
SR00277