SA5219D NXP Semiconductors, SA5219D Datasheet - Page 8

• 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
The high input impedance to the NE5219 makes matching
to crystal filters relatively easy. The total delta gain of this
system will approach 80dB. IF frequencies well into the UHF
region can be configured with this type of architecture.
CRYSTAL
FILTER
RF INPUT
SOURCE
5219
50
V
S
V
AGC
Figure 14. Test Set-up 1 (Used for all Graphs)
R
S
Figure 13. Receiver AGC IF Gain
R
Figure 12. AM Modulator
T
R
T
R
5219
8
.5V
V
AGC
+5V
5219
5219
V
V
CC
AGC
(+5V, unless otherwise noted)
V
AGC
9R
50
MODULATING
SIGNAL
+5V
R
L
OUTPUT
50
FULL CARRIER
AM (DSB)
SR00286
5219
All harmonic distortion products will be
at least -50dBc over the audio spectrum.
V
AGC
R
L
GAIN CONTROL
SIGNAL
50
Product specification
SA5219
OUTPUT
50
SR00285
SR00284