The LM386 is a power amplifier designed for use in low volt- age consumer applications. The gain is internally set to 20 to keep external part count low, but the addition of an external resistor and capacitor between pins 1 and 8 will increase the gain to any value up to 200.
1 Features
• Battery Operation
• Minimum External Parts
• Wide Supply Voltage Range: 4 V–12 V or
5 V–18 V
• Low Quiescent Current Drain: 4 mA
• Voltage Gains from 20 to 200
• Ground-Referenced Input
• Self-Centering Output Quiescent Voltage
• Low Distortion: 0.2% (AV = 20, VS = 6 V, RL = 8 Ω,
PO = 125 mW, f = 1 kHz)
• Available in 8-Pin MSOP Package
2 Applications
• AM-FM Radio Amplifiers
• Portable Tape Player Amplifiers
• Intercoms
• TV Sound Systems
• Line Drivers
• Ultrasonic Drivers
• Small Servo Drivers
• Power Converters
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