LM386 Audio Power Amplifier
- Product Code: 807
- Availability: 6
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LM386 Audio Power Amplifier
The LM386 is a power amplifier designed for use in low voltage 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. The inputs are ground referenced while the output is automatically biased to one half the supply voltage. The quiescent power drain is only 24 mili-watts when operating from a 6 volt supply, making the LM386 audion power amplifier ideal for battery operation.
Features of LM386
Minimum external parts
Wide supply voltage range 4V–12V or 5V–18V
Low quiescent current drain 4 mA
Voltage gains from 20 to 200
Ground referenced input
Self-centering output quiescent voltage
Eight pin dual-in-line package
Applications of LM386
AM-FM radio amplifiers
Portable tape player amplifiers
TV sound systems
Small servo drivers
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