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