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描述 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.

特性 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 125°C 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