Differential/Cascode Amplifier. CA3028A Datasheet

CA3028A Amplifier. Datasheet pdf. Equivalent

CA3028A Datasheet
Recommendation CA3028A Datasheet
Part CA3028A
Description Differential/Cascode Amplifier
Feature CA3028A; Semiconductor CT T ODU CEMEN 7 R P E A 74 T L 7 E OL REP 00-442OBS ENDED 8 1 m s.co MM ions ECO ppl.
Manufacture Intersil
Datasheet
Download CA3028A Datasheet





Intersil CA3028A
Semiconductor
NO
Call
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January 1999
CA3028A
File Number 382.5
Differential/Cascode Amplifier for
Commercial and Industrial Equipment
from DC to 120MHz
[ /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-
The CA3028A is a differential/cascode amplifier designed for
use in communications and industrial equipment operating
at frequencies from DC to 120MHz.
Part Number Information
PART NUMBER
(BRAND)
CA3028A
CA3028AE
CA3028AM96
(3028A)
TEMP.
RANGE (oC)
PACKAGE
-55 to 125 8 Pin Metal Can
-55 to 125 8 Ld PDIP
-55 to 125 8 Ld SOIC Tape
and Reel
PKG.
NO.
T8.C
E8.3
M8.15
Pinouts
CA3028A
(PDIP, SOIC)
TOP VIEW
18
27
36
45
CA3028A
(METAL CAN)
TOP VIEW
8
1
7
26
35
4
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)
86
1
R1
7
5k
2
Q1 Q2
Q3
R2
2.8k
R3
500
5
4
3
SUBSTRATE
AND CASE
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
Copyright © Harris Corporation 1999



Intersil CA3028A
CA3028A
Operating Conditions
Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . -55oC to 125oC
Thermal Information
Thermal Resistance (Typical, Note 1)
θJA (oC/W) θJC (oC/W)
Metal Can Package . . . . . . . . . . . . . . . 225
140
PDIP Package . . . . . . . . . . . . . . . . . . . 155
N/A
SOIC Package . . . . . . . . . . . . . . . . . . . 185
N/A
Maximum Junction Temperature (Metal Can Package). . . . . . . .175oC
Maximum Junction Temperature (Plastic Package) . . . . . . . .150oC
Maximum Storage Temperature Range . . . . . . . . . . -65oC to 150oC
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300oC
(SOIC - Lead Tips Only)
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
1. θJA is measured with the component mounted on an evaluation PC board in free air.
Absolute Maximum Voltage Ratings TA = 25oC
The following chart gives the range of voltages which can be applied to the terminals listed horizontally with
respect to the terminals listed vertically. For example, the voltage range of the horizontal Terminal 4 with
respect to Terminal 2 is -1V to +5V.
Absolute Maximum
Current Ratings
TERM
NO. 1 2 3 4 5 6 7 8
TERM IIN IOUT
NO. mA mA
1
0 to -15 0 to -15 0 to -15 +5 to -5 Note 3 Note 3 +20 to 0
1 0.6 0.1
2
+5 to -11 +5 to -1 +15 to 0 Note 3 +15 to 0 Note 3
2 4 0.1
3 (Note 2)
+10 to 0 +15 to 0 +24 to 0 +15 to 0 +24 to 0
3 0.1 23
4
+15 to 0 Note 3 Note 3 Note 3
4 20 0.1
5
+20 to 0 Note 3 Note 3
5 0.6 0.1
6
Note 3 Note 3
6 20 0.1
7
Note 3
7 4 0.1
8 8 20 0.1
NOTES:
2. Terminal No. 3 is connected to the substrate and case.
3. Voltages are not normally applied between these terminals. Voltages appearing between these terminals
will be safe, if the specified voltage limits between all other terminals are not exceeded.
Electrical Specifications TA = 25oC
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
DC CHARACTERISTICS
Input Bias Current (Figures 1, 10)
Quiescent Operating Current (Figures 1,11, 12)
AGC Bias Current (Into Constant Current Source
Terminal 7) (Figures 2, 13)
Input Current (Terminal 7)
Power Dissipation (Figures 1, 14)
II
I6, I8
I7
I7
PT
VCC = 6V, VEE = -6V
VCC = 12V, VEE = -12V
VCC = 6V, VEE = -6V
VCC = 12V, VEE = -12V
VCC = 12V, VAGC = 9V
VCC = 12V, VAGC = 12V
VCC = 6V, VEE = -6V
VCC = 12V, VEE = -12V
VCC = 6V, VEE = -6V
VCC = 12V, VEE = -12V
- 16.6 70 µA
- 36 106 µA
0.8 1.25 2.0 mA
2.0 3.3 5.0 mA
- 1.28 - mA
- 1.65 - mA
0.5 0.85 1.0 mA
1.0 1.65 2.1 mA
24 36 54 mW
120 175 260 mW
2



Intersil CA3028A
CA3028A
Electrical Specifications TA = 25oC (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
DYNAMIC CHARACTERISTICS
Power Gain (Figures 3, 4, 5, 15, 17, 19)
GP f = 100MHz
VCC = 9V
Cascode
Diff. Amp.
16 20
14 17
- dB
- dB
f = 10.7MHz
VCC = 9V
Cascode
Diff. Amp.
35 39
28 32
- dB
- dB
Noise Figure (Figures 3, 4, 5, 16, 18, 19)
NF f = 100MHz, VCC = 9V
Cascode
Diff. Amp.
- 7.2 9.0 dB
- 6.7 9.0 dB
Input Admittance (Figures 20, 21)
Y11 f = 10.7MHz, VCC = 9V
Cascode
- 0.6 + -
j1.6
mS
Diff. Amp.
- 0.5 + -
j0.5
mS
Reverse Transfer Admittance (Figures 22, 23)
Y12 f = 10.7MHz, VCC = 9V
Cascode
- 0.0003 -
- j0
mS
Diff. Amp.
- 0.01 - -
j0.0002
mS
Forward Transfer Admittance (Figures 24, 25)
Y21 f = 10.7MHz, VCC = 9V
Cascode
Diff. Amp.
- 99 - j18 -
- -37 + -
j0.5
mS
mS
Output Admittance (Figures 26, 27)
Y22 f = 10.7MHz, VCC = 9V
Cascode
- 0+ -
j0.08
mS
Diff. Amp.
- 0.04 + -
j0.23
mS
Output Power (Untuned) (Figures 6, 28)
PO f = 10.7MHz, VCC = 9V
Diff. Amp., 50- 5.7 - µW
Input-Output
AGC Range (Maximum Power Gain to Full Cutoff)
(Figures 7, 29)
AGC f = 10.7MHz, VCC = 9V
Diff. Amp.
- 62 - dB
Voltage Gain
(Figures 8, 9, 30, 31)
A f = 10.7MHz, VCC = 9V,
RL = 1k
Cascode
Diff. Amp.
- 40 - dB
- 30 - dB
Peak-to-Peak Output Current
IP-P f = 10.7MHz, eIN = 400mV, VCC = 9V
Diff. Amp.
VCC = 12V
2.0 4.0 7.0 mA
3.5 6.0 10 mA
3





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