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PDF AN5766 Data sheet ( Hoja de datos )
| Número de pieza | AN5766 | |
| Descripción | 8MHz Power Amps For Military/ Industrial and Commercial Equipment | |
| Fabricantes | Intersil Corporation | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AN5766 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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CA3020, CA3020A
April 1997
8MHz Power Amps For Military,
Industrial and Commercial Equipment
[ /Title
(CA30
20,
CA302
0A)
/Sub-
ject
(8MHz
Power
Amps
For
Mili-
tary,
Indus-
trial
and
Com-
mer-
cial
Equip-
ment)
/Autho
r ()
/Key-
words
(Inter-
sil
Corpo-
ration,
Semi-
con-
ductor,
single,
power
ampli-
fier,
class b
ampli-
fier,
mili-
tary
Features
• High Power Output Class B Amplifier
- CA3020 . . . . . . . . . . . . . . . . . . . . 0.5W (Typ) at VCC = 9V
- CA3020A . . . . . . . . . . . . . . . . . . 1.0W (Typ) at VCC = 12V
• Wide Frequency Range . . Up to 8MHz with Resistive Loads
• High Power Gain. . . . . . . . . . . . . . . . . . . . . . . . . 75dB (Typ)
• Single Power Supply For Class B Operation With
Transformer
- CA3020 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3V to 9V
- CA3020A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3V to 12V
• Built-In Temperature-Tracking Voltage Regulator Provides
Stable Operation Over -55oC to 125oC Temperature Range
Applications
• AF Power Amplifiers For Portable and Fixed Sound and
Communications Systems
• Servo-Control Amplifiers
• Wide-Band Linear Mixers
• Video Power Amplifiers
• Transmission-Line Driver Amplifiers (Balanced and
Unbalanced)
• Fan-In and Fan-Out Amplifiers For Computer Logic Circuits
• Lamp-Control Amplifiers
• Motor-Control Amplifiers
• Power Multivibrators
• Power Switches
Description
The CA3020 and CA3020A are integrated-circuit, multi-
stage, multipurpose, wide-band power amplifiers on a single
monolithic silicon chip. They employ a highly versatile and
stable direct coupled circuit configuration featuring wide
frequency range, high voltage and power gain, and high
power output. These features plus inherent stability over a
wide temperature range make the CA3020 and CA3020A
extremely useful for a wide variety of applications in military,
industrial, and commercial equipment.
The CA3020 and CA3020A are particularly suited for service
as class B power amplifiers. The CA3020A can provide a
maximum power output of 1W from a 12VDC supply with a
typical power gain of 75dB. The CA3020 provides 0.5W
power output from a 9V supply with the same power gain.
Refer to AN5766 for application information.
Ordering Information
TEMP.
PART NUMBER RANGE (oC)
PACKAGE
PKG.
NO.
CA3020
-55 to 125 12 Pin Metal Can T12.B
CA3020A
-55 to 125 12 Pin Metal Can T12.B
Pinout
CA3020
(METAL CAN)
TOP VIEW
Schematic Diagram
98
R10 1.5K
11
BUFFER AMP
OUT 1
DIFF IN2 2
DIFF IN3 3
V-
12 11 RB11
10 BUFFER
AMP IN
9 VCC1
OUTPUT 4 4
8 RB8
5
OUTPUT 5
6
7 OUTPUT 7
OUTPUT 6
R11 1.5K
10 D1
Q1 D2
R4 R1
1
D3
R3 R6
Q2 Q3
3
R5
10K
R5
R212K
0.47K
12
2
0.3K R9
Q4
4
Q6
5
Q5 6
R8
0.3K
Q7
7
The resistance values included on the schematic diagram have been supplied as a convenience to assist
Equipment Manufacturers in optimizing the selection of “outboard” components of equipment designs.
The values shown may vary as much as 30%.
Intersil reserves the right to make any changes in the Resistance Values provided such changes do not
adversely affect the published performance characteristics of the device.
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Copyright © Intersil Corporation 1999
3-1
File Number 339.5
1 page  
CA3020, CA3020A
Test Circuits and Waveforms (Continued)
ICC1
VCC1
S
10 8 9 7
+2V
ICC2
1
CA3020
2 CA3020A
3
TA = 25oC
15
10
5
S CLOSED
S OPEN
12 6 5 4
FIGURE 5A. TEST SETUP
TA = 25oC
15
10
5
0
2 4 6 8 10
DIFFERENTIAL AMPLIFIER SUPPLY VOLTAGE (V)
FIGURE 5B. DIFFERENTIAL AMPLIFIER CHARACTERISTICS
OF ICC1 CURRENT vs VCC1 VOLTAGE
S CLOSED
S OPEN
0
2 4 6 8 10
DIFFERENTIAL AMPLIFIER SUPPLY VOLTAGE (V)
FIGURE 5C. OUTPUT AMPLIFIER CHARACTERISTICS OF ICC2 CURRENT vs VCC1 VOLTAGE
FIGURE 5. ZERO SIGNAL AMPLIFIER CURRENT vs DIFFERENTIAL AMPLIFIER SUPPLY VOLTAGE
S
10 8 9 7
ICC1
VCC1
+2V
ICC2
1
CA3020
2 CA3020A
3
15
VCC1 = 9V
10
VCC1 = 6V
VCC1 = 9V
5
VCC1 = 3V
S CLOSED
S CLOSED
S OPEN
S CLOSED
12 6 5 4
0
-50 -25 0 25 50 75 100 125 150
TEMPERATURE (oC)
FIGURE 6A. TEST SETUP
FIGURE 6B. DIFFERENTIAL AMPLIFIER CHARACTERISTICS
OF ICC1 CURRENT vs AMBIENT TEMPERATURE
FIGURE 6. ZERO SIGNAL AMPLIFIER CURRENT vs AMBIENT TEMPERATURE
3-5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet AN5766.PDF ] | |
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