National LM386 Audio Power Amplifier Datasheet for Battery Operation

  
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This device has 24 milliwatts quiescent power drain when operating from 6 V supply in which making the LM386 ideal for battery operation. It is stated in the application hints section ofLM386 datasheet, there are two pins (1 and 8 ) provided for gain control in order to make this device more versatile amplifier. You can put a capacitor from pin 1 to 8 bypassing the
National LM386 Audio Power Amplifier Datasheet for Battery Operation - schematic

1. 35 kOhms resistor, placing a resistor in series with the capacitor, or capacitively coupling a resistor (or FET) from pin 1 to ground to set the gain. You will also see typical applications forLM386 in circuit schematici. e Amplifier with Gain (20, 50, 200), Low Distortion Power Wienbridge Oscillator (click to enlarge), Amplifier with Bass Boost, Square Wave Oscillator, and AM Radio Power Amplifier. Please complete your read ofAudio Power Amplifier for Battery Operationin this LM386 Datasheet (source: national. com).



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