CA3020A

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)
• 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, 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.

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