CA3028A
Semiconductor
January 1999
File Number 382.5
Differential/Cascode Amplifier for
Commercial and Industrial Equipment
from DC to 120MHz
Features
• Controlled for Input Offset Voltage, Input Offset
Current and Input Bias Current
• Balanced Differential Amplifier Configuration with Con-
trolled Constant Current Source
The CA3028A is a differential/cascode amplifier designed for
use in communications and industrial equipment operating
at frequencies from DC to 120MHz.
[ /Title
(CA30
28A)
/Sub-
ject
(Dif-
feren-
tial/Ca
scode
Ampli-
fier for
Com-
mer-
• Single-Ended and Dual-Ended Operation
Part Number Information
Applications
PART NUMBER
(BRAND)
TEMP.
RANGE ( C)
PKG.
NO.
• RF and IF Amplifiers (Differential or Cascode)
• DC, Audio and Sense Amplifiers
• Converter in the Commercial FM Band
• Oscillator
o
PACKAGE
CA3028A
-55 to 125 8 Pin Metal Can
-55 to 125 8 Ld PDIP
T8.C
CA3028AE
E8.3
CA3028AM96
(3028A)
-55 to 125 8 Ld SOIC Tape
and Reel
M8.15
• Mixer
• Limiter
Pinouts
• Related Literature
CA3028A
(PDIP, SOIC)
TOP VIEW
- Application Note AN5337 “Application of the CA3028
Integrated Circuit Amplifier in the HF and VHF Ranges.”
This note covers characteristics of different operating
modes, noise performance, mixer, limiter, and amplifier
design considerations
cial
and
1
2
3
4
8
7
6
5
Indus-
trial
Equip-
ment
from
Schematic Diagram
(Terminal Numbers Apply to All Packages)
8
6
DC to
120M
Hz)
/Autho
r ()
/Key-
words
(Har-
ris
CA3028A
(METAL CAN)
TOP VIEW
1
Q
Q
2
5
4
1
R
1
7
2
5kΩ
Q
8
3
1
3
7
R
2
2.8kΩ
R
3
500Ω
2
6
5
Semi-
3
4
SUBSTRATE
AND CASE
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
Copyright © Harris Corporation 1999
1