HomedatasheetCA3020

CA3020 Datasheet

8MHz Power Amps For Military, Industrial And Commercial Equipment
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Description

Features, Applications

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8MHz Power Amps For Military, Industrial and Commercial Equipment

PART NUMBER CA3020 CA3020A TEMP. RANGE ( oC) to 125 PACKAGE 12 Pin Metal Can 12 Pin Metal Can PKG. NO. T12.B

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High Power Output Class B Amplifier CA3020. 0.5W (Typ) at VCC CA3020A. 1.0W (Typ) at VCC = 12V Wide Frequency Range. to 8MHz with Resistive Loads High Power Gain. 75dB (Typ) Single Power Supply For Class B Operation With Transformer to 12V Built-In Temperature-Tracking Voltage Regulator Provides Stable Operation Over to 125oC Temperature Range

Description

The CA3020 and CA3020A are integrated-circuit, multistage, 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.

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

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. 321-724-7143 | Copyright � Intersil Corporation 2000

Maximum Pin 9 Supply Voltage, V CC1 (Note CA3020A. 12V Maximum Pin 9 Supply Current, ICC1. 20mA Maximum Pin 11 Sink Current, I11. 20mA Output Voltage, V4 and V7 (Note CA3020A. 18V Output Current, IO. 300mA Input Voltage Range, to 2V Maximum Input Voltage, V 10 (Ref to Pin 1). -3V Maximum Source Current, V1. 1mA

Thermal Resistance (Typical, Note JA ( oC/W) JC (oC/W) Metal Can Package. 165 80 Maximum Junction Temperature (Metal CanPackage). 175oC Maximum Storage Temperature Range. to 150oC Maximum Lead Temperature (Soldering 10s). 300oC

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.

NOTES: 1. The voltage ratings for Pin 9, Pin 4 and Pin 7 are referenced to the V- (Pin 12). A normal bias configuration for Pin 8 and Pin 11 is shown in Figure 1B. Refer to Application Note AN5766 for other options. JA is measured with the component mounted on an evaluation PC board in free air.

PARAMETER Collector-to-Emitter Breakdown Voltage, Q6 and at 10mA Collector-to-Emitter Breakdown Voltage, at 0.1mA Idle Currents, Q6 and Q7 Peak Output Currents, Q6 and Q7 Cutoff Currents, Q6 and Q7 Differential Amplifier Current Drain Total Current Drain Differential Amplifier Input Terminal Voltages Regulator Terminal Voltage Q1 Cutoff (Leakage) Currents: Collector-to-Emitter Emitter-to-Base Collector-to-Base Forward Current Transfer Ratio, at 3mA Bandwidth at -3dB Point Maximum Power Output for = 130 Maximum Power Output for = 200 Sensitivity for POUT = 400mW, RCC = 130 Sensitivity for POUT = 200 Input Resistance Terminal 3 to Ground

SYMBOL V(BR)CER V(BR)CEO I4 IDLE I7 IDLE I7PK I4 CUTOFF I7 CUTOFF V3 V11 ICEO IEBO ICBO hFE1 BW PO(MAX)

(Note 3) A heat sink is recommended for high ambient temperature operation.

SYMBOL VCC1 VCC2 Differential Amplifier Output Amplifier ICC2 PO eIN GP RIN S/N CA3020 RCC 130 CA3020A UNITS % Hz

Maximum Power Output at THD = 10% Sensitivity Power Gain Input Resistance Efficiency Signal-to-Noise Ratio THD at 150mW Level Test Signal Frequency from 600 Generator Equivalent Collector-to-Collector Load Resistance NOTE: 3. Refer to Figures 7 through 11 for measurement and symbol information.

FIGURE 1B. TYPICAL AUDIO AMPLIFIER CIRCUIT UTILIZING THE AS AN AUDIO PREAMPLIFIER AND CLASS B POWER AMPLIFIER FIGURE 1.


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