Alternatively, the p19 amp can be run at higher gain than normal, alleviating the. Figure 1 shows the amplifier schematic one channel only two ics are required for stereo. Ordering information note 4 device packaging shipping. Lm3875tfnopb amplifier ic 1channel mono class ab to22011 isolated from texas instruments. 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.
Lm3876 datasheet lm3886 highperformance 68w audio power. Lm3875 datasheet, lm3875 datasheets, lm3875 pdf, lm3875 circuit. Electrical characteristics note 2 continued parameter conditions lm105 lm305 lm305a units min typ max min typ max min typ max feedback sense voltage 1. 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. The board is a complete singlechannel poweramp and power supply.
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. That is, a single integrated circuit based on an operational amplifier op amp on a single substrate of silicon. Nsc, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Each of the two amplifiers is completely independent, with individual internal power supply decou. Semiconductor data sheets andor specifications can and do vary in different. Lm3875 datasheet, lm3875 pdf, lm3875 data sheet, datasheet, data sheet, pdf.
Voltage gain is slightly increased from that used by the typical application. Low offset voltage dual comparators the lm393 series are dual independent precision voltage comparators capable of single or split supply operation. General purpose plastic rectifier 1n4001 thru 1n4007 vishay. The is a highperformance audio power amplifier capable of delivering 56w of continuous average power an 8 load with 0. If militaryaerospace specified devices are required, please contact the national semiconductor sales office. The response time specified is for a 100mv input step with 5mv over drive. 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. Electrical characteristics notes 1 2 the following specifications apply for va e a35v vb e b35v. Lm393 datasheet, lm393 pdf, lm393 data sheet, lm393 manual, lm393 pdf, lm393, datenblatt. Nanoo diy lm3875 ic noninverting chip amplifier gainclone. Lm3875 datasheet pdf highperformance 56 watt audio. Gaincard amplifier using integrated circuit production national lm3875.
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. Audio power amp, sk3875 pdf download integrated circuit systems, sk3875 datasheet pdf, pinouts, data sheet, equivalent, schematic, cross reference. 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. Lm3886 chip specs per national semiconductor datasheet. Lm3875 1features description the lm3875 is a highperformance audio power 23 56w continuous average output power into 8. Lm3876 lm3886 highperformance 68w audio power amplifier with mute, package. A huge range of electronic components at the best prices. In the end, every amplifier made with lm3875, lm 3876, lm3886, lm1875 even called the gainclone. Lm3876 overture audio power amp series highperf 56w. An important notice at the end of this data sheet addresses availability, warranty, changes, use in. Lm4001 mdd discrete semiconductors jotrin electronics. Recent listings manufacturer directory get instant insight into any electronic component. Lm3876 highperformance 56w audio power amplifier wmute. The circuit is based on the typical application given in the datasheet but with a few changes as follows.
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 80w audio amplifier circuit electronic project design. Semiconductor reserves the right to make changes at any time without notice in order to improve design. I used a cutdown p88 preamp pcb because i only wanted one preamplifier stage, but the entire board can also be used. Pricing and availability on millions of electronic components from digikey. 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. Chip,iconline,databook,datasheet catalog,datasheet archive. Lm3875 datasheet, lm3875 pdf, lm3875 data sheet, datasheet, data sheet, pdf, national semiconductor, highperformance 56 watt audio power amplifier. Lm3875 overture audio power amplifier series highperformance 56w audio power amplifier lm3875 overturetm audio power amplifier series highperformance 56w audio power amplifier.
From highvoltage 220vac into a lower voltage at low voltage 24024 vac current 5a. From the basic version through the use of buffers and regulated power supply. Due to the simplicity of the gaincard design and construction, availability of. The lm3875 ic devices should be suitably heatsinked. 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.
Lm3875 amp pcb a closeup photo of the pcb i repeated the test above with a 222v transformer. 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. 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. 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. Lm2576symbol datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other. Each flipflop has independent data, preset, clear and clock inputs and q and q outputs. 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.
Overturtm audio power amplifier series highperformance 56w audio power amplifier, lm3875 datasheet, lm3875 circuit, lm3875 data sheet. Ideal for battery operated projects requiring a regulated powersupply. Absolute maximum ratings and electrical characteristics. 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. Futurlec, the electronic components and semiconductor superstore. Lm3875 datasheet, lm3875 pdf, lm3875 data sheet, lm3875 manual, lm3875 pdf, lm3875, datenblatt, electronics lm3875, alldatasheet, free, datasheet, datasheets, data. The performance of the lm3875, utilizing its self peak in. Lm311 3 electrical characteristics vcc 15v, ta 25c, unless otherwise specified notes.
Lm3875 chip specs per national semiconductor datasheet. General purpose plastic rectifier vishay intertechnology. 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. Futurlec, the electronic components and semiconductor. Lm3875 pdf, lm3875 description, lm3875 datasheets, lm3875. But many people claim that these chips are great highend amps. 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. Lm3876 overture audio power amp series highperf 56w audio. The frequency response at about 7w was 17hz110khz at 1db and 7hz220khz at 3db. The lm3875 is a highperformance audio power amplifier. Lm3886 overturetm audio power amplifier series highperformance 68w audio power amplifier wmute. Depending on the transformer you choose, output powers up to about 50w are possible. These devices are designed to permit a common mode range. Pricing and availability on millions of electronic components from digikey electronics.
Highperformance 56w audio power amplifier 11to220 0 to 70. Nsc, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated. Just arrived large new range of solar cells, ideal for robots, battery charging and other solar applications. Lm3875 datasheet highperformance 56w audio power amplifier. All you have to add is a power transformer and a small heatsink. Snas083d june 1999 revised april 20 lm3875 overture audio power amplifier series highperformance56w audio power amplifier check for samples. Lm3886 datasheet, cross reference, circuit and application notes in pdf format. Lm3875 gainclone amplifier circuit stereo 56w eleccircuit. The performance of the lm3876, utilizing its self peak in. The content and s of the attached material are the property of its owner.
This is a small, easy to build, poweramp using the national semiconductor lm3875 chip often referred to as a gainclone. Unless otherwise specified, vin 12v, and iload 500ma. Nanoo diy lm3875 gainclone ic chip amplifier mark houston. It is based on the 56w power ic lm3875 from national semiconductor. The lm317 device is an adjustable threeterminal positivevoltage regulator capable of supplying more than 1. For, the supply transformer reduced voltage ac power. According to national its a chip meant for tvs, compact stereos etc.
Symbol 1n4001 1n4002 1n4003 1n4004 1n4005 1n4006 1n4007 unit. Nsc overturtm audio power amplifier series highperformance 56w audio power amplifier,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits. Lm3875tfnopb texas instruments integrated circuits ics. Perfect for experimentation, projects and electronic equipment. Lm3875 datasheet, lm3875 pdf, lm3875 data sheet, datasheet, data sheet, pdf home all manufacturers by category part name, description or manufacturer contain. The output just below clipping across the audio band 20hz20khz was about 37w. Mm74c74 dual dtype flipflop experimentalists anonymous. Lm3875 overture audio power amplifier series highperformance. Widlar lm3876 overture audio power amplifier series lm3886 lm3886 application note lm3875 lm3886 output circuit datasheet lm3875 audio output transistor amplifier an898. Lm3875 overture audio power amp series hperformance 56w. Datasheet search engine for electronic components and semiconductors.
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