MC1490
RF/IF/Audio Amplifier
The MC1490 is an integrated circuit featuring wide–range AGC for use in
RF/IF amplifiers and audio amplifiers over the temperature range, –40° to
+85°C.
• High Power Gain: 50 dB Typ at 10 MHz
45 dB Typ at 60 MHz
35 dB Typ at 100 MHz
• Wide Range AGC: 60 dB Min, DC to 60 MHz
•
•
WIDEBAND AMPLIFIER
WITH AGC
SEMICONDUCTOR
TECHNICAL DATA
6.0 V to 15 V Operation, Single Polarity Supply
See MC1350D for Surface Mount
MAXIMUM RATINGS (TA = +25°C, unless otherwise noted.)
Rating
Symbol
Value
Unit
VCC
+18
Vdc
VAGC
VCC
Vdc
Power Supply Voltage
AGC Supply
Input Differential Voltage
VID
5.0
TA
–40 to +85
°C
Tstg
–65 to +150
°C
TJ
+150
1
Vdc
Operating Temperature Range
8
°C
Storage Temperature Range
Junction Temperature
P SUFFIX
PLASTIC PACKAGE
CASE 626
ORDERING INFORMATION
PIN CONNECTIONS
Operating
Temperature Range
Package
TA = – 40° to +85°C
Device
Plastic
Output
(+)
Output
(–)
2
1.5 k
VAGC
2
7 Substrate
Ground
3
6
Noninverting
Input
Inverting
Input
VCC
8
GND
Representative Schematic Diagram
1
VCC
MC1490P
4
5
AGC
Input
70
– +
(Top View)
5.5 k 12.1 k
5
470
470
2.0 k
8 (+)
Outputs
(–)
1
SCATTERING PARAMETERS
(VCC = +12 Vdc, TA = +25°C, Zo = 50 Ω)
f = MHz
Typ
4
(–)
45
Inputs
2.8 k
6
5.0 k
Parameter
200 200 2.8 k
5.0 k
5.6 k
1.1 k 1.1 k
1.9k
8.4 k
200
3
Substrate
7
Pins 3 and 7 should both be connected to circuit ground.
2–92
Symbol
30
60
Unit
Input
Reflection
Coefficient
|S11|
θ11
0.95
–7.3
0.93
–16
–
deg
Output
Reflection
Coefficient
1.4 k
66
(+)
|S22|
θ22
0.99
–3.0
0.98
–5.5
–
deg
Forward
Transmission
Coefficient
|S21|
θ21
16.8
128
14.7
64.3
–
deg
Reverse
Transmission
Coefficient
S12
θ12
0.00048
84.9
0.00092
79.2
–
deg
MOTOROLA ANALOG IC DEVICE DATA
