Highperformance 56w audio power amplifier 11to220 0 to 70. All you have to add is a power transformer and a small heatsink. Lm3875 datasheet, lm3875 pdf, lm3875 data sheet, datasheet, data sheet, pdf home all manufacturers by category part name, description or manufacturer contain. This is a small, easy to build, poweramp using the national semiconductor lm3875 chip often referred to as a gainclone. Due to the simplicity of the gaincard design and construction, availability of. Lm2576symbol datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other. Lm3875 80w audio amplifier circuit electronic project design. Lm3875 overture audio power amplifier series highperformance 56w audio power amplifier general description the lm3875 is a highperformance audio power amplifier capable of delivering 56w of continuous average power to an 8. Futurlec, the electronic components and semiconductor superstore. The lm3875 ic devices should be suitably heatsinked. From highvoltage 220vac into a lower voltage at low voltage 24024 vac current 5a.
Snas090d april 1995 revised march 20 lm3876 overture audio power amplifier series highperformance56w audio power amplifier wmute. The lm317 device is an adjustable threeterminal positivevoltage regulator capable of supplying more than 1. Lm3875tfnopb texas instruments integrated circuits ics. Symbol 1n4001 1n4002 1n4003 1n4004 1n4005 1n4006 1n4007 unit. Semiconductor reserves the right to make changes at any time without notice in order to improve design. Pricing and availability on millions of electronic components from digikey. Audio power amp, sk3875 pdf download integrated circuit systems, sk3875 datasheet pdf, pinouts, data sheet, equivalent, schematic, cross reference. Alternatively, the p19 amp can be run at higher gain than normal, alleviating the. For, the supply transformer reduced voltage ac power. Each of the two amplifiers is completely independent, with individual internal power supply decou. Overturtm audio power amplifier series highperformance 56w audio power amplifier, lm3875 datasheet, lm3875 circuit, lm3875 data sheet. Recent listings manufacturer directory get instant insight into any electronic component.
Mm74c74 dual dtype flipflop experimentalists anonymous. Just arrived large new range of solar cells, ideal for robots, battery charging and other solar applications. The amp described on this page, is a very simple poweramp based on the national semiconductor chip lm3875. A while back, gio introduced me to the concept of chip amplifiers gainclones. Data sheet acquired from harris semiconductor schs021d revised september 2003 the cd4011b, cd4012b, and cd4023b types are supplied in 14lead hermetic dualinline ceramic packages f3a suffix, 14lead. General purpose plastic rectifier 1n4001 thru 1n4007 vishay. Nsc, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated. Lm3876 datasheet lm3886 highperformance 68w audio power.
Widlar lm3876 overture audio power amplifier series lm3886 lm3886 application note lm3875 lm3886 output circuit datasheet lm3875 audio output transistor amplifier an898. Pricing and availability on millions of electronic components from digikey electronics. Jan 21, 2020 for, the supply transformer reduced voltage ac power. According to national its a chip meant for tvs, compact stereos etc. Lm3875 overturetm audio power amplifier series highperformance 56w audio power amplifier the is a highperformance audio power amplifier capable of delivering 56w of continuous average power an 8 load with 0. Nsc, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Figure 1 shows the amplifier schematic one channel only two ics are required for stereo. Voltage gain is slightly increased from that used by the typical application. Lm3875 datasheet, lm3875 pdf, lm3875 data sheet, lm3875 manual, lm3875 pdf, lm3875, datenblatt, electronics lm3875, alldatasheet, free, datasheet, datasheets, data. Lm3886 chip specs per national semiconductor datasheet. Symbol 1n4001 1n4002 1n4003 1n4004 1n4005 1n4006 1n4007.
Highperformance 56w audio power amplifier wmute april 1995 lm3876 audio power amplifier series highperformance 56w audio power amplifier wmute general description the lm3876 is a highperformance audio power amplifier capable of delivering 56w of continuous average power to an 8x load with 0. Lm3875 audiopoweramplifierseries highperformance 56w audio power amplifier generaldescription the lm3875 is a highperformance audio power amplifier capable of delivering 56w of continuous average power to an 8x load with 01% thd a n from 20 hz20 khz the performance of the lm3875 utilizing its self peak in. Because they are dc amplifiers dc coupling right through the amp they can go all the way to 400khz. Lm3875 overture audio power amp series hperformance 56w. The circuit is based on the typical application given in the datasheet but with a few changes as follows. Ordering information note 4 device packaging shipping. Nanoo diy lm3875 ic noninverting chip amplifier gainclone. Lm3875 amp pcb a closeup photo of the pcb i repeated the test above with a 222v transformer.
The performance of the lm3875, utilizing its self peak in. These devices are designed to permit a common mode range. Lm3875 is a highperformance audio power amplifier capable of delivering 56w of continuous average power to an 8. Nsc overturtm audio power amplifier series highperformance 56w audio power amplifier,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits. Lm3875 1features description the lm3875 is a highperformance audio power 23 56w continuous average output power into 8. Each flipflop has independent data, preset, clear and clock inputs and q and q outputs. Unless otherwise specified, vin 12v, and iload 500ma. Lm3875 chip specs per national semiconductor datasheet.
The content and s of the attached material are the property of its owner. The output just below clipping across the audio band 20hz20khz was about 37w. Lm3875 overture audio power amplifier series highperformance. Buy lm4001 mdd, learn more about lm4001 surface mount silicon rectifiers, view the manufacturer, and stock, and datasheet pdf for the lm4001 at jotrin electronics. Lm3876 highperformance 56w audio power amplifier wmute. Semiconductor data sheets andor specifications can and do vary in different. Lm3875 datasheet, lm3875 datasheets, lm3875 pdf, lm3875 circuit.
Chip,iconline,databook,datasheet catalog,datasheet archive. Absolute maximum ratings and electrical characteristics. Lm3876 overture audio power amp series highperf 56w audio. Lm3886 datasheet, cross reference, circuit and application notes in pdf format. The board is a complete singlechannel poweramp and power supply. Lm3876 lm3886 highperformance 68w audio power amplifier with mute, package. That is, a single integrated circuit based on an operational amplifier op amp on a single substrate of silicon. Lm4001 mdd discrete semiconductors jotrin electronics.
The performance of the lm3876, utilizing its self peak in. Lm3875 pdf, lm3875 description, lm3875 datasheets, lm3875. Lm3875 datasheet, lm3875 pdf, lm3875 data sheet, datasheet, data sheet, pdf, national semiconductor, highperformance 56 watt audio power amplifier. Depending on the transformer you choose, output powers up to about 50w are possible. Lm3875 is a 56 watt amplifier chip made by texas instruments previously national semiconductor that has become very popular in the diy audio community for its low parts count and its highperformance audio capabilities. It requires only two external resistors to set the output voltage. Low offset voltage dual comparators the lm393 series are dual independent precision voltage comparators capable of single or split supply operation.
A huge range of electronic components at the best prices. Lm381lm381a low noise dual preamplifier july 1987 lm381lm381a low noise dual preamplifier general description the lm381lm381a is a dual preamplifier for the amplification of low level signals in applications requiring optimum noise performance. Nanoo diy lm3875 gainclone ic chip amplifier mark houston. Power amplifier with ic lm3875 6 january 2006 croatian version the national semiconductors overture series of integrated circuit ic audio amplifiers owes its rise to fame and glory to a relatively big success of the 47 laboratorys gaincard amplifier, based on the lm3875 chip from the national semiconductor. Lm3875 datasheet, lm3875 pdf, lm3875 data sheet, datasheet, data sheet, pdf. But many people claim that these chips are great highend amps. Lm393 datasheet, lm393 pdf, lm393 data sheet, lm393 manual, lm393 pdf, lm393, datenblatt. Lm3875 datasheet pdf highperformance 56 watt audio. Lm317 linear integrated circuit 1 3terminal 1a positive adjustable voltage regulator description the contek lm317 is an adjustable 3terminal positive voltage regulator, designed to supply more than 1. The is a highperformance audio power amplifier capable of delivering 56w of continuous average power an 8 load with 0. The lm3875 is a highperformance audio power amplifier.
The frequency response at about 7w was 17hz110khz at 1db and 7hz220khz at 3db. Electrical characteristics note 2 continued parameter conditions lm105 lm305 lm305a units min typ max min typ max min typ max feedback sense voltage 1. In the end, every amplifier made with lm3875, lm 3876, lm3886, lm1875 even called the gainclone. By connecting two lm39875 audio ic in bridge mode this audio power amplifier will deliver 80 watt of output power into an 8 ohm load. Snas083d june 1999 revised april 20 lm3875 overture audio power amplifier series highperformance56w audio power amplifier check for samples. Hello guys, im working on a new version of taurus, that will have a few more components and will use the lm3886 instead of the lm3875. Perfect for experimentation, projects and electronic equipment. Lm3886 overturetm audio power amplifier series highperformance 68w audio power amplifier wmute. The response time specified is for a 100mv input step with 5mv over drive. This great chip, is a little larger than the size of a thumbnail and can deliver up to 56w rms continuous with 100w peaks and it can do this at 0. General purpose plastic rectifier vishay intertechnology. Lm3875 overture audio power amplifier series highperformance 56w audio power amplifier lm3875 overturetm audio power amplifier series highperformance 56w audio power amplifier. Lm3875tfnopb amplifier ic 1channel mono class ab to22011 isolated from texas instruments. If militaryaerospace specified devices are required, please contact the national semiconductor sales office.
Ideal for battery operated projects requiring a regulated powersupply. Electrical characteristics notes 1 2 the following specifications apply for va e a35v vb e b35v. Lm311 3 electrical characteristics vcc 15v, ta 25c, unless otherwise specified notes. Nsc overturtm audio power amplifier series highperformance 56w audio power amplifier,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors.
General purpose plastic rectifier 1n4001 thru 1n4007 vishay general semiconductor features low forward voltage drop low leakage current high forward surge capability solder dip 275 c max. It is based on the 56w power ic lm3875 from national semiconductor. Lm3875 datasheet highperformance 56w audio power amplifier. From the basic version through the use of buffers and regulated power supply. Mm74c74 dual dtype flipflop mm74c74 dual dtype flipflop general description the mm74c74 dual dtype flipflop is a monolithic complementary mos cmos integrated circuit constructed with n and pchannel enhancement transistors. Highperformance 56w audio power amplifier wmute general description the lm3876 is a highperformance audio power amplifier capable of delivering 56w of continuous average power to an 8x load with 0. Lm3876 overture audio power amp series highperf 56w.
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