CA3020 CA3020A integrated-circuit, multistage, multipurpose, wide-band

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CA3020 CA3020A integrated-circuit, multistage, multipurpose, wide-band

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CA3020
CA3020 CA3020A integrated-circuit, multistage, multipurpose, wide-band power amplifiers single monolithic silicon chip. They employ highly versatile stable direct coupled circuit configuration featuring wide frequency range, high voltage power gain, high power output. These features plus inherent stability over wide temperature range make CA3020 CA3020A extremely useful wide variety applications military, industrial, commercial equipment. CA3020 CA3020A particularly suited service class power amplifiers. CA3020A provide maximum power output from 12VDC supply with typical power gain 75dB. CA3020 provides 0.5W power output from supply with same power gain. These types supplied hermetically sealed TO-101 style lead metal cans. Refer AN5766 application information.
April 1994
Multipurpose Wide-Band Power Amps Military, Industrial Commercial Equipment Frequency 8MHz
Features
High Power Output Class Amplifier CA3020 0.5W Typ. CA3020A .1.0W Typ. +12V Wide Frequency Range 8MHz with Resistive Loads High Power Gain. 75dB Typ. Single Power Supply Class Operation With Transformer CA3020 CA3020A Built-In Temperature-Tracking Voltage Regulator Provides Stable Operation Over -55oC +125oC Temperature Range
Applications
Power Amplifiers Portable Fixed Sound Communications Systems Servo-Control Amplifiers Wide-Band Linear Mixers Video Power Amplifiers Transmission-Line Unbalanced) Driver Amplifiers (Balanced
Ordering Information
PART NUMBER CA3020 CA3020A TEMPERATURE RANGE -55oC +125oC -55oC +125oC PACKAGE Metal Metal
Fan-In Fan-Out Amplifiers Computer Logic Circuits Lamp-Control Amplifiers Motor-Control Amplifiers Power Multivibrators Power Switches
Pinout
CA3020 (CAN) VIEW
Schematic Diagram
1.5K 1.5K
BUFFER DIFF DIFF OUTPUT
RB11 BUFFER VCC1
0.3K
0.47K
OUTPUT
OUTPUT
OUTPUT
0.3K
resistance values included schematic diagram have been supplied convenience assist Equipment Manufacturers optimizing selection "outboard" components equipment designs. values shown vary much 30%. Harris reserves right make changes Resistance Values provided such changes adversely affect published performance characteristics device.
CAUTION: These devices sensitive electrostatic discharge. Users should follow proper I.C. Handling Procedures. Copyright
Harris Corporation 1993
File Number
339.3
10-3
Specifications CA3020, CA3020A
Absolute Maximum Ratings
Maximum Supply Voltage, VCC1 (Note CA3020 +10V CA3020A. +12V Maximum Supply Current, ICC1 20mA Maximum Sink Current, 20mA Output Voltage, (Note CA3020 +25V CA3020A. +18V Output Current, 300mA Input Voltage Range, Maximum Input Voltage, (Ref .-3V Maximum Source Current,
Thermal Information
Thermal Resistance Metal Package 135oC/W 60oC/W Power Dissipation Without Heat Sink +25oC Above +25oC Derate Linearly 7.4mW/oC Power Dissipation With Heat Sink +25oC +25oC +55oC Above +55oC. .Derate Linearly 16.7 mW/oC Maximum Junction Temperature +150oC Operating Temperature Range -55oC +125oC Storage Operating Range -65oC +150oC Lead Temperature (Soldering 10s) +300oC
CAUTION: Stresses above those listed "Absolute Maximum Ratings" cause permanent damage device. This stress only rating operation device these other conditions above those indicated operational sections this specification implied.
Electrical Specifications
+25oC TEST CONDITIONS CIRCUIT SUPPLY PROCEDURE VOLTAGE CA3020 21.5 1.11 2.35 1000 12.5 35.0 14.0 CA3020A 21.5 1.11 2.35 1000 1000 12.5 30.0 UNITS
PARAMETERS Collector-to-Emitter Breakdown Voltage, 10mA Collector-to-Emitter Breakdown Voltage, 0.1mA Idle Currents, Peak Output Currents, Cutoff Currents, Differential Amplifier Current Drain Total Current Drain Differential Amplifier Input Terminal Voltages Regulator Terminal Voltage Cutoff (Leakage) Currents: Collector-to-Emitter Emitter-to-Base Collector-to-Base Forward Current Transfer Ratio, Bandwidth -3dB Point Maximum Power Output Maximum Power Output Sensitivity POUT 400mW, Sensitivity POUT 800mW, Input Resistance Terminal Ground
SYMBOL V(BR)CER V(BR)CEO IDLE IDLE I4PK I7PK CUTOFF CUTOFF ICC1 ICC1 ICC2 ICEO IEBO ICBO hFE1 PO(MAX)
FIGURE
VCC1 10.0
VCC2 12.0 12.0
RIN3
NOTE: voltage ratings referenced (Pin 12). normal bias configuration shown Figure Refer Application Note AN5766 other options.
10-4
Specifications CA3020, CA3020A
Typical Performance Data (Note heat sink recommended high ambient temperature operation.
PARAMETERS Power Supply Voltage SYMBOL VCC1 VCC2 Zero Signal Current Differential Amplifier Output Amplifier Maximum Signal Current Differential Amplifier Output Amplifier Maximum Power Output Sensitivity Power Gain Input Resistance Efficiency Signal-to-Noise Ratio 150mW Level Test Signal Frequency from Generator Equivalent Collector-to-Collector Load Resistance NOTE: Refer Figures through measurement symbol information. ICC1 ICC2 ICC1 ICC2 CA3020 1000 CA3020A 12.0 16.6 1000 1000 UNITS
VCC1 10mA 10mA CA3020 CA3020A 5.1K VBR(CER) VBR(CER) CA3020 CA3020A 0.01 510K VCC2
FIGURE COLLECTOR-TO-EMITTER BREAKDOWN VOLTAGE CIRCUIT
FIGURE TYPICAL AUDIO AMPLIFIER CIRCUIT UTILIZING CA3020 CA3020A AUDIO PREAMPLIFIER CLASS POWER AMPLIFIER
FIGURE
10-5
CA3020, CA3020A
POWER AMPLIFIER OUTPUT, (mA)
-45oC +25oC +125oC +125oC
CA3020 CA3020A
-45oC +25oC
"ON" "ON"
DIFFERENTIAL AMPLIFIER INPUT, (mV)
FIGURE TEST SETUP
FIGURE CHARACTERISTICS WITH SHORTED
FIGURE TYPICAL TRANSFER CHARACTERISTICS
POWER AMPLIFIER OUTPUT, (mA)
-45oC
CA3020 CA3020A
-45oC +25oC
+125oC
+125oC
"ON" "ON"
DIFFERENTIAL AMPLIFIER INPUT, (mV)
FIGURE TEST SETUP
FIGURE CHARACTERISTIC WITH CIRCUIT
FIGURE TYPICAL TRANSFER CHARACTERISTICS
(MAX. CURRENT WITH RETURNED THROUGH 10k) POWER AMPLIFIER OUTPUT, (mA) +25oC
(MAX. CURRENT WITH RETURNED THROUGH 10k) CA3020 CA3020A
POWER AMPLIFIER COLLECTOR VOLTAGE,
FIGURE TEST SETUP
FIGURE CHARACTERISTIC
FIGURE "MINIMUM DRIVE" TYPICAL CURRENT-VOLTAGE SATURATION CURVE
10-6
CA3020, CA3020A
ICC1 VCC1 ICC2 DIFFERENTIAL AMPLIFIER CURRENT (mA) +25oC
CLOSED OPEN
CA3020 CA3020A
DIFFERENTIAL AMPLIFIER SUPPLY VOLTAGE
FIGURE TEST SETUP
FIGURE DIFFERENTIAL AMPLIFIER CHARACTERISTICS ICC1 CURRENT VCC1 VOLTAGE
+25oC ZERO SIGNAL OUTPUT AMPLIFIER CURRENT (mA) CLOSED OPEN
DIFFERENTIAL AMPLIFIER SUPPLY VOLTAGE
FIGURE OUTPUT AMPLIFIER CHARACTERISTICS ICC2 CURRENT VCC1 VOLTAGE FIGURE ZERO SIGNAL AMPLIFIER CURRENT DIFFERENTIAL AMPLIFIER SUPPLY VOLTAGE
ICC1 VCC1 ZERO SIGNAL DIFFERENTIAL AMPLIFIER CURRENT (mA) ICC2
VCC1 VCC1 VCC1 VCC1 CLOSED CLOSED OPEN CLOSED
CA3020 CA3020A
AMBIENT TEMPERATURE (oC)
FIGURE TEST SETUP
FIGURE DIFFERENTIAL AMPLIFIER CHARACTERISTICS ICC1 CURRENT AMBIENT TEMPERATURE
FIGURE ZERO SIGNAL AMPLIFIER CURRENT AMBIENT TEMPERATURE
10-7
CA3020, CA3020A
ZERO SIGNAL OUTPUT AMPLIFIER CURRENT (mA)
VCC1 CLOSED VCC1 VCC1 CLOSED OPEN CLOSED VCC1 TEMPERATURE (oC)
FIGURE OUTPUT AMPLIFIER CHARACTERISTICS ICC2 CURRENT AMBIENT TEMPERATURE FIGURE ZERO SIGNAL AMPLIFIER CURRENT AMBIENT TEMPERATURE (Continued)
VCC1
VCC2
ICC1
ICC2
CURRENTS VOLTAGES -IDLE
OPEN OPEN OPEN CLOSE CLOSE OPEN
OPEN OPEN CLOSE OPEN OPEN CLOSE
CURRENTS VOLTAGES ICC1 ICC2
OPEN OPEN OPEN OPEN OPEN
OPEN OPEN OPEN OPEN OPEN
CA3020 CA3020A
-IDLE -PEAK
-PEAK -CUTOFF -CUTOFF
FIGURE STATIC CURRENT VOLTAGE TEST CIRCUIT
10-8
CA3020, CA3020A
PROCEDURES:
+VCC1 +VCC2
Apply desired value VCC1 VCC2 Apply 1kHz input signal adjust (RMS). Record resulting value eOUT (reference value).
10µF
SIGNAL SOURCE
CA3020 CA3020A
eOUT
Vary input-signal frequency, keeping constant 5mV, record frequencies above below 1kHz which eOUT decreases below reference value. Record bandwidth frequency range between -3dB points.
FIGURE MEASUREMENT BANDWIDTH -3dB POINTS
PROCEDURES:
+VCC1 ICC1 1kHz SIGNAL SOURCE 0.01 CA3020 CA3020A (SEE NOTE) +VCC2 ICC2
Apply desired value VCC1 VCC2 reduce Record resulting values ICC1 ICC2 ZeroSignal Current Drain. Apply desired value VCC1 VCC2 adjust value which Total Harmonic Distortion output amplifier 10%. Record resulting value ICC1 ICC2 Maximum Signal Current Drain. Determine resulting amplifier power output watts record Maximum Power Output (POUT). Calculate Circuit Efficiency follows:
eOUT
where POUT watts, VCC1 VCC2 volts, ICC1 ICC2 amperes. Record value (rms) required Step Sensitivity (eIN).
NOTE: Push-pull output transformer; load resistance (RL) should selected provide indicated collector-to-collector load impedance (RCC).
Calculate Transducer Power Gain (Gp) follows:
10log
where NOTE:
3000 Note
Figure definition RIN(10) FIGURE MEASUREMENTS ZERO-SIGNAL CURRENT DRAIN, MAXIMUM-SIGNAL CURRENT DRAIN, MAXIMUM POWER OUTPUT, CIRCUIT EFFICIENCY, SENSITIVITY, TRANSDUCER POWER GAIN
10-9
CA3020, CA3020A
+VCC1 +VCC2
PROCEDURES: Input Resistance Terminal Ground (RIN10). Apply desired value VCC1 VCC2 Position
Adjust 1kHz input desired signal level measurement Adjust e1/2. Record resulting value RIN10
1kHz SIGNAL SOURCE
CA3020 CA3020A
Input Resistance Terminal Ground (RIN3). Apply desired value VCC1 VCC2 Position Adjust 1kHz input desired signal level measurement
0.01µF
Adjust e1/2. Record resulting value RIN3
FIGURE MEASUREMENT INPUT RESISTANCE
+VCC1
+VCC2
DISTORTION ANALYZER
1kHz SIGNAL SOURCE 0.01
(SEE NOTE) BAND-PASS FILTER: 50Hz 15kHz
CA3020 CA3020A
eOUT
VOLTMETER
NOTE: Push-pull output transformer; load resistance (RL) should selected provide indicated collector-to-collector load impedance (RCC).
PROCEDURES: Signal-to-Noise Ratio Close open Apply desired values VCC1 VCC2 Adjust amplifier output 150mW record resulting value EOUT eOUT1 (reference value). Open record resulting value eOUT eOUT2 Signal-to-Noise Ratio 20log
OUT2 OUT1
Total Harmonic Distortion Close open Apply desired values VCC1 VCC2 Adjust desired level amplifier output power. Record Total Harmonic Distortion (THD)
FIGURE MEASUREMENT SIGNAL-TO-NOISE RATIO TOTAL HARMONIC DISTORTION
10-10

CA3020 CA3020A integrated-circuit, multistage, multipurpose, wide-band

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