Here is a simple lm386 based audio amplifier circuit with the authors prototype shown below. Micro amplificador con lm386 micro lm386 amplifier. Lm386 low voltage audio power amplifier datasheet rev. Lm386 low voltage audio power amplifier echelle inconnue. Lm386 datasheet19 pages nsc low voltage audio power. 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 from 20 to 200. Lm386 datasheet28 pages utc low voltage audio power. Snas002f february 2000 revised may 20 lm4871 3w audio power amplifier with shutdown mode check for samples. Low voltage audio power amplifier, lm386 datasheet, lm386 circuit, lm386 data sheet. Lm386 can drive any speaker within the impedance range of 4. Ele e fabricado em 4 tipos distintos pelos sufixos, a saber. The lm386 is a power amplifier designed for use in low volt age consumer applications.
Lm4871 3w audio power amplifier with shutdown mode. It is a very low cost audio amplifier and can power any speaker. Lm4871 1features description the lm4871 is a mono bridged audio power amplifier 2 no output coupling capacitors, bootstrap capacitors, or snubber circuits required capable ofdelivering 3w continuous average. The inputs are ground referenced while the output is automatically. Lm386 audio amplifier circuit with proteus simulation. This amp is better than most of those bluetooth amplifier, it will cost you only a few bucks to make. Lm386 audio amplifier circuit is used in small battery operated audio devices like radio, audio players, etc. Circuit diagram of the lm386 based audio amplifier is shown in fig. Descargue como docx, pdf, txt o lea en linea desde scribd. Hi every body i want to design an audio amplifier circuit using lm386 and lm358. Keywords amplifier, audio, integrated circuit, lm386. Descargue como doc, pdf, txt o lea en linea desde scribd. Lm386low voltage audio power amplifiergeneral descriptionthe lm386 is a power amplifier designed for use in low voltage consumer applications. Lm386 based audio amplifier full project with circuit.
Lm386 low voltage audio power amplifier electroschematics. In this project, we will show you how to build lm386 audio amplifier circuit. It is built around popular amplifier lm386 ic1, an 8ohm, onewatt speaker ls1, four capacitors and a few other components. It is manufactured and design by texas instruments. Lm386 low voltage audio power amplifier general description the lm386 is a power amplifier designed for use in low voltage consumer applications. The lm386 is a power amplifier designed for use in low voltage consumer applications the gain is internally set to. Lm386 datasheet, lm386 pdf, lm386 data sheet, lm386 manual, lm386 pdf, lm386, datenblatt, electronics lm386, alldatasheet, free, datasheet, datasheets, data sheet, datas sheets, databook, free datasheet. Ti1, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Lm386 snas545c may 2004revised may 2017 lm386 low voltage audio power amplifier 1 1 features 1 battery operation minimum external parts wide supply voltage range. The gain is internally set to 20 tokeep external part count low, but the addition of an externalresistor and capacitor between pins 1 and 8 will increase thegain to any value up to 200. There are many audio amplifier circuits designed using lm386. Hpin configuration datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. Lm386 is widely used for audio amplifier as it is specifically designed for low power applications. Lm386 audio amplifier circuit audio amplifier, car audio.
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