The ic consists of an 8 pin dual inline package dip 8 and can output 0. The output is short circuit proof with internal thermal limiting. The inputs are ground referenced while the output is automatically. Lm386low voltage audio power amplifiergeneral descriptionthe lm386 is a power amplifier designed for use in low voltage consumer applications.
Lm386, datasheet, datasheets, pdf, national semiconductor. Lm386 m82 lm386 equivalent ic lm386 lm386 speaker lm386 ic lm386 application note applications lm386 lm3861 lm386 datasheet text. Lm386 low voltage audio power amplifier datasheet rev. Lm386 amplifier circuit working specifications explained. Lm380 1features description wide supply voltage range. Linear technology corporation subject 102110091154160315031778 keywords. 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. Motorola dual differential input operational amplifiers,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. The ic consumes very less power and hence can be operated using a 9v battery easily. Value is not critical, but should be in the range of a 220470uf or so.
Texas instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. Lm386n1 datasheet national semiconductor, download pdf. Lm386 low voltage audio power amplifier generaldescription. Lm386n 4nopb amplifier ic 1channel mono class ab 8pdip from texas instruments. Pricing and availability on millions of electronic components from digikey electronics.
Though the gain of this ic is set at 20 internally, it can be raised almost 10 times higher that is up to 200, just by introducing a resistor and a capacitor across its pin 1 and 8. Here is a simple lm386 based audio amplifier circuit with the authors prototype shown below. The dissipation is the total of both amplifiersuse external resistors, where possible, to allow the amplifier to saturate or to reduce the power which is dissipated in the integrated. This amplifier consists of 8pins where pin1 and pin8 are gain control pins of the amplifier, and this ic is most widely used ic that allows a customer to increase volume. Lm386 datasheet pdf voltage audio power amplifier ti, lm386 datasheet, lm386 pdf, lm386 pinout, substitute, equivalent, lm386 data, lm386 circuit. Lm386 low voltage audio power amplifier datasheet catalog.
Lm386 equivalent ic lm386 lm386 ic lm386 application note applications lm386 ds0069768 lm386n application lm386n3 lm386n1. But this voltage gain can be raised up to 200 vu 200 by adding external parts. Below is a minimal parts setup to drive a speaker off a pwm pin from a microcontroller. The quies datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. The lm386 is a power amplifier designed for use in low volt age consumer applications. Low distortion the lm380n uses a copper lead frame. This ic is available in the package of mini 8pin dip. Package sop8 lm386m1 dip8 lm386n1 equivalent schematic and connection diagrams small, millimeters unless otherwise noted continued dualinline package lm386n1 87 lm386. How to build small, simple audio amplifiers using ic lm386. Low voltage audio power amplifier, lm386 datasheet, lm386 pdf, datasheets pdf lm386, pinout, data sheet, circuits. The integrated chip lm386 is a low power audio frequency amplifier requiring a low level power supply most often batteries.
The ic lm386 is a power amplifier used for amplifying small audio signals with low supply voltages. If a capacitor is put from pin 1 to 8, bypassing the 1. Lm386 low voltage audio power amplifier echelle inconnue. Nsc low voltage audio power amplifier,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. I used an lm386 amplifier ic because it solves many problems. The ic consists of an 8 pin dual inline package and can output 0. I removed them to see what would happen, and i was getting all sorts of feedback noise. The lm386 is a low power audio frequency amplifier which is very commonly used in small audio amplifiers. In order to hold system cost to a low quiescent power drain.
Lm386 lm386l audio power amplifier ic tayda electronics. Granted, that from an educational point of view, you are not going to learn anything from using this chip. Refer to the maximum ratings table for safe operating area. The circuit c is not for voltage amplification but. Lm386 datasheet, lm386 pdf, pinouts, circuit texas. Lm386 datasheet pdf 1 page national semiconductor ti old version datasheet. Lm4871, ad620, ic6283, jrc4558, where to use the lm386 audio amplifier. Lmx58n lowpower, dualoperational amplifiers 1 features 3 description the lm158 series consists of two independent, high 1 available in 8bump dsbga chipsized package, see an1112, snva009 gain, internally frequency compensated operational amplifiers which were designed specifically to operate.
The ic lm386 is a lowpower audio amplifier, and it utilizes low power supply like batteries in electrical and electronic circuits. It is built around popular amplifier lm386 ic1, an 8ohm, onewatt speaker ls1, four capacitors and a few other components. Lm386 m82 lm386 equivalent ic lm386 lm386 speaker lm386 ic lm386 application note applications lm386 lm386 1 lm386 datasheet text. The utc lm386 is a power amplifier, designed for use in low voltage consumer. Lm386 pdf, lm386 description, lm386 datasheets, lm386 view. Lm386, datasheet, datasheets, pdf, national semiconductor, texas. Lm386 low voltage audio power amplifier national does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and national reserves the right at any time without notice to change said circuitry and specifications. Download lm386 datasheet pdf texas instruments document. 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. An lm386 is a very popular and widely used audio amplifier chip that permits a user to amplify sound. Lm386 datasheet pdf voltage audio power amplifier ti. Lm386 low voltage audio power amplifier august 2000 lm386 low voltage audio power amplifier general.
Nsc, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Description the utc lm386 is a power amplifier, designed for use in low voltage consumer applications. Lm386n3 low voltage audio power amplifier the lm386 is a power amplifier designed for use in low voltage consumer applications. Lm386 lm386 qwr107007 lm386l lm386lp08r lm386 pin diagram lm386 linear integrated circuit ic lm386 free lm386 lm386ls08r lm386 block diagram description lm386 block diagram.
To make the lm386 a more versatile amplifier, two pins 1 and 8 are provided for gain control. 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 center quiescent output voltage is at onehalfof the three pins on either side comprise a heat sink. K application notes gain control to make the lm386 a more versatile amplifier, two pins1and 8 are provided for gain control. Lm3886 1features description the lm3886 is a highperformance audio power 23 68w cont.
The gain range is 20 to 200, gain is internally set to 20 without using external component but can be increased to 200 by using resistor and capacitor between pin 1 and 8, or just with a capacitor. Lm3886 overture audio power amplifier series highperformance68w audio power amplifier wmute check for samples. Low voltage audio power amplifier online from elcodis, view and download lm386n pdf datasheet, tools specifications. National does not assume any responsibility for use of any circuitry described no circuit patent licenses are implied and national reserves the right at any time without notice to change said circuitry and specifications. Lm386 datasheet texas instruments, download pdf radiolocman. Pdf lm386 circuit diagram audio amplifier using lm386 lm386 pin diagram lm386 audio amplifiers pin diagram of lm386 lm386 pin diagram in lm386 oscillator lm386a lm386 speaker ultrasonic. Lm386 datasheet, lm386 datasheets, lm386 pdf, lm386 circuit. Hpin configuration datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. 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. Circuit diagram of the lm386 based audio amplifier is shown in fig. Posted on july 18, 2016 september 17, 2019 by pinout.
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. Lm386 snas545c may 2004revised may 2017 lm386 low voltage audio power amplifier 1 1 features 1 battery operation minimum. The lm386 is an integrated circuit containing a low voltage audio power amplifier. The ic lm386 is a 8pin tiny power amplifier chip, specially made for operating under relatively low voltage parameters, yet provide considerable amplification. The response time specified is for a 100 mv input step with 5. Lm108alm308alm108lm308 operational amplifiers author. Lm386 based audio amplifier full project with circuit available. Ic lm386 amplifier circuit becomes suitable for applying in small low power audio gadgets like in fm radios, door bells, telephones etc. Ti1, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. May 15, 2011 in this schematic, a lm386 based audio amplifier takes its input from an electret microphone. Lm386 low voltage audio power amplifier general description the lm386 is a power amplifier designed for use in low voltage consumer applications. Here is the circuit that i am using for the lm386 amplifier chip. Lm386 m82 datasheet, cross reference, circuit and application notes in pdf format. The lm3914 is a monolithic integrated circuit that as well as a led at the same time, so controller senses analog voltage levels and drives 10 leds, functions including staging control can be providing a linear analog display.
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. Lm258, lm358, lm358a, lm358e, lm2904, lm2904a, lm2904e, lm2904v, ncv2904 single supply dual operational amplifiers utilizing the circuit designs perfected for quad operational amplifiers, these dual operational amplifiers feature low power drain, a common mode input voltage range extending to groundvee, and single supply or split supply operation. The lm386 is a power amplifier designed for use in low. Happlication notesgain controlto make the lm386 a more versatile amplifier, two pins1and 8 are provided for gain control. Lm386 datasheet, lm386 pdf, lm386 data sheet, lm386 manual, lm386 pdf, lm386, datenblatt, electronics lm386, alldatasheet, free, datasheet, datasheets, data sheet, datas sheets. Lm358 datasheet, lm358 datasheets, lm358 pdf, lm358 circuit. Download lm386n1 datasheet pdf national semiconductor document. The utc lm386 is a power amplifier, designed for use in low voltage.
Lm386n1 old version datasheet lm386 low voltage audio power amplifier. An important notice at the end of this data sheet addresses availability, warranty, changes, use in safetycritical applications, intellectual property matters and other important disclaimers. Lm386 is a low power audio frequency amplifier which is very commonly used in small audio amplifiers. Sep 12, 2015 lm386 is a low voltage audio amplifier and frequently used in battery powered music devices like radios, guitars, toys etc. The lm386 is a power amplifier designed for use in low volt age consumer. Circuit a will give a voltage amplification of 200. Ic lm386 amplifier circuit becomes suitable for applying in small low power audio gadgets like in. The ic is designed to deliver a voltage amplification of 20 without external addon parts. Lm386 datasheet, lm386 pdf, lm386 data sheet, lm386 manual, lm386 pdf, lm386, datenblatt, electronics lm386, alldatasheet, free, datasheet, datasheets, data sheet. 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. R2 and c4 form a zobel network, and are most definitely required to provide stability to the output.
The output capacitor between the amplifier and speaker is needed to avoid overheating the lm386 or damaging the speaker. Buy ic lm386n1 low voltage audio power amplifier 325mw. Lm386 datasheetpdf 1 page national semiconductor ti. Low voltage audio power amplifier, lm386 datasheet, lm386 circuit, lm386 data sheet. It is suitable for batterypowered devices such as radios, guitar amplifiers, and hobby electronics projects. Lm386n datasheet, lm386n pdf, lm386n data sheet, lm386n manual, lm386n pdf, lm386n, datenblatt, electronics lm386n, alldatasheet, free, datasheet, datasheets, data sheet, datas sheets, databook, free datasheet. Old version datasheet lm386 low voltage audio power amplifier. 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. Lm386n4nopb texas instruments integrated circuits ics. 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.