The ic consists of an 8 pin dual inline package and can output 0. The utc lm386 is a power amplifier, designed for use in low voltage consumer. 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. Lm386low voltage audio power amplifiergeneral descriptionthe lm386 is a power amplifier designed for use in low voltage consumer applications. Absolute maximum ratings note 2if militaryaerospace specified devices are required,please contact the national semiconductor sales officedistributors for availability and specifications. The lm386 is a power amplifier designed for use in low voltage consumer applications the. Learn about active passive buzzer with its pin diagram, features, how it works and the datasheet of buzzer. Tda7052aat 1 w btl mono audio amplifier with dc volume control. The gain is internally set to 20 keep the external part count low, but the additional of external resistor and capacitor between pin 1 and pin 8 will increase the gain to any. Apr 17, 2017 although the software seems a bit ugly design running on dos, but it works perfectly with the database with many components and is free, makes an interesting tool to interested in electronics, want to know when information about a particular component or find a replacement. Note this design is also more sensitive than everyday computer speakers. Nsc, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors.
Jan 02, 2020 the ic lm386 is a 8pin tiny power amplifier chip, specially made for operating under relatively low voltage parameters, yet provide considerable amplification. To make the lm386 an even more versatile amplifier, two pins 1 and 8 are provided for gain control. Lm386, datasheet, datasheets, pdf, national semiconductor, texas instruments, datasheetcatalog. Lm386 is higher than 250 kx it will contribute very little. 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 output capacitor between the amplifier and speaker is needed to avoid overheating the lm386 or damaging the speaker. Moreover, a power output of 250 mw, whilst using only five components including the chip itself. Lm386 low voltage audio power amplifier december 1994 lm386 low voltage audio power amplifier general description the lm386 is a power amplifier designed for use in low voltage consumer applications. Lm185adj, lm285adj, lm385adj careful design of the lm185 has made the device 1features tolerant of capacitive loading, making it easy to use in 2 adjustable from 1. Lm185lm285lm385 adjustable micropower voltage references. Lm386 lm386l audio power amplifier ic tayda electronics. Applications lm386 lm386 transistor lm386 speaker lm386 datasheet. The gain is internally set to 20 to keep external part count low, but the addition of an external resistor and capacitor between pin 1 and pin 8. Lm386n4nopb texas instruments integrated circuits ics.
Lm386 low voltage audio power amplifier generaldescription the lm386 is a power amplifier designed for use in low voltage consumer applications the gain is internally set to. Lm185 lm285lm385 adjustable micropower voltage references check for samples. Lm386 pin diagram lm386 pin diagram in pin1 gnd sop8 lm386 datasheet applications lm386 lm386 block diagram dip8 lm386 utc lm386 lm386 utc text. December 1994 lm386 low voltage audio power amplifier general description y voltage gains from 20 to 200 the lm386 is a power amplifier designed for use in low y voltage consumer applications the gain is internally set to ground referenced input 20 to keep external part count low but the addition of an y selfcentering output quiescent voltage external resistor and capacitor between pins. Lm386 datasheet, lm386 pdf, lm386 data sheet, lm386 manual, lm386 pdf, lm386, datenblatt, electronics lm386, alldatasheet, free, datasheet, datasheets. There are three different models of the lm386 that have slightly different specifications, outlined below. Lm386 linear integrated circuit 1 low voltage audio power amplifier description the contek lm386 is a power amplifier, designed for use in low voltage consumer applications. A suitable resistor should be used for proper working of mic, you can look up to datasheet for the value or use a variable resistor and set the proper value. Lm386n1 datasheet, lm386n1 national semiconductor low voltage audio amplifier 250mw6v dataheet, buy lm386n1.
The lm386 is a power amplifier designed for use in low volt age consumer applications. Lm4871, ad620, ic6283, jrc4558, where to use the lm386 audio amplifier. Download ic database equivalent guide 100 thousand components. Ic lm386 amplifier circuit becomes suitable for applying in small low power audio gadgets like in fm radios, door bells, telephones etc. Lm386 m82 datasheet, cross reference, circuit and application notes in pdf format. Bc557, 557b general purpose transistor page 1 310505 v1. Low voltage audio power amplifier, lm386 datasheet, lm386 circuit, lm386 data sheet. In an amplifier circuit, the lm386 takes an audio input signal and increases its potential. K application notes gain control to make the lm386 a more versatile amplifier, two pins1and 8 are provided for gain control. With the lm386, i can get a warp gain factor of 200. I built about a dozen different audio amplifier circuits with the lm386 but most of them had way too much noise, popping, and other interference.
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. Utc lm386 linear integrated circuit low voltage audio power amplifier sop8 description the utc lm386 is a power amplifier, designed for use in low voltage consumer applications. Build a great sounding audio amplifier with bass boost from. This is a build video of a very simple audio amplifier based on the lm386 chip. Especially suited for use in driver stages of audio amplifiers, low noise input stages of tape recorders, hifi amplifiers, signal processing circuits of television receivers. The gain from a twotransistor amplifier is very small and simply not worth the cost compared to an ic. Pricing and availability on millions of electronic components from digikey electronics. Lm386 chip comprises of 8 pins where, pin 1 and 8 denotes the gain control of the amplifier, and you can adjust the gain by placing resistor or capacitor in between these two terminals. Hi every body i want to design an audio amplifier circuit using lm386 and lm358.
Lm386 pin diagram lm386 pin diagram in pin1 gnd sop8 lm386 datasheet. Value is not critical, but should be in the range of a 220470uf or so. The 2n3904 are a good general purpose npn transistor for low power amplification and switching. This lm386 audio amplifier circuit can be also used to record any sound. Lm386 low voltage audio power amplifier datasheet rev. Ti1 low voltage audio power amplifier,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors.
It is suitable for batterypowered devices such as radios, guitar amplifiers, and hobby electronics projects. Supply voltagelm386n1, 3, lm386m115vsupply voltage lm386n422vpackage dissipation note 3 datasheet search, datasheets, datasheet search site for electronic components and semiconductors. Click here specifications features low voltage audio power amplifier. Lm386 low voltage audio power amplifier echelle inconnue. In conventional dc volume circuits the control or input.
Ti1, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Lm386 datasheet, lm386 datasheets, lm386 pdf, lm386 circuit. Tda7052aat 1 w btl mono audio amplifier with dc volume. The utc lm386 is a power amplifier, designed for use in low voltage consumer applications. The lm386 is an integrated circuit containing a low voltage audio power amplifier. The lm386 is a low power audio frequency amplifier which is very commonly used in small audio amplifiers. Lm386 datasheetpdf 2 page national semiconductor ti. Dec 18, 2017 howdy i am trying to implement the most basic circuit for an lm386 amp chip. Description the utc lm386 is a power amplifier, designed for use in low voltage consumer applications. An lm386 is a very popular and widely used audio amplifier chip that permits a user to amplify sound.
The gain is internally set to 20 to keep external part count low, but the addition of an external resistor and capacitor between pin 1 and pin 8 will increase the gain to any value up from 20 to 200. To make the lm 386 more flexible, two pins 1and 8 of the audio amplifier are provided for gain control and gain adjustments. Lm386n datasheet pdf the lm is a power amplifier designed for use in low volt reproduction of ti information in ti data books or data sheets is permissible only if. The lm386 audio amplifier is a general purpose singlechannel audio amplifier that can handle up to 700mw and is easy to use. To make the lm386 a more versatile amplifier, two pins1and 8 are provided for gain control. Lm386 datasheet circuit problem all about circuits. Lm386 datasheet, lm386 pdf, lm386 data sheet, datasheet, data sheet, pdf. Download ic database equivalent guide 100 thousand. Free packages are available maximum ratings rating symbol value unit collector.
Lm386, datasheet, datasheets, pdf, national semiconductor. May 28, 2018 lm386 is a low power audio frequency amplifier which is very commonly used in small audio amplifiers. Here, in the above diagram lm386 audio amplifier circuit using transistors, r1 is a potentiometer, which is used as a volume control for the audio signal. A good place to start is the official datasheet pdf where you can get all the technical information you need. Lm386 low voltage audio power amplifier general description the lm386 is a power amplifier designed for use in low voltage consumer applications.
Build a great sounding audio amplifier with bass boost. Supply voltagelm386n1, 3, lm386m115vsupply voltage lm386n422vpackage dissipation note 3 datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated. The gain is internally set to 20 to keep external part count low, but the. Circuit a will give a voltage amplification of 200. The ic is designed to deliver a voltage amplification of 20 without external addon parts.
The inputs are ground referenced while the output is automatically. In my case i used a transistor checker to match the gain on two to220 power transistors. In this tutorial, ill show you how to build a great sounding audio amplifier with the lm386 low voltage audio power amplifier. Bfr39 datasheet, equivalent, cross reference search. The integrated chip lm386 is a low power audio frequency amplifier requiring a low level power supply most often batteries. Howdy i am trying to implement the most basic circuit for an lm386 amp chip. The gain is internally set to 20 keep the external part count low, but the additional of external resistor and capacitor between pin 1 and pin 8 will increase the gain to any value up to 200. 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. The ic consists of an 8 pin dual inline package dip8 and can output 0.
Tags datasheet, download, electronic software, ic, transistor post navigation. Lm386 amplifier circuit working specifications explained. I am continually surprised since i grew up with transistors and ics that people dont know this stuff. Lm386 pdf, lm386 description, lm386 datasheets, lm386 view. The ic consumes very less power and hence can be operated using a 9v battery easily. Ic lm386 amplifier circuit becomes suitable for applying in small low power audio gadgets like in. Download the datasheet for more information about the output power, distortion characteristics. Lm386 low voltage audio power amplifier datasheet catalog. Build a great sounding audio amplifier with bass boost from the. Recent listings manufacturer directory get instant insight into any electronic component. Lm386 is a low power audio frequency amplifier which is very commonly used in small audio amplifiers. The lm386 is a power amplifier designed for use in low voltage consumer applications. The ic lm386 is a 8pin tiny power amplifier chip, specially made for operating under relatively low voltage parameters, yet provide considerable amplification.