LM3875: Difference between revisions
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'''LM3875''' is a 56 [[watt]] [[amplifier]] [[Integrated circuit|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 [[Audio system measurements|high-performance audio]] capabilities. It is the main chip inside many [[gainclone]] amplifiers which are based on the Gaincard amplifier which surprised many [[high-end audio]] [[Audiophile|reviewers]]. <ref>{{cite web|url=http://www.sakurasystems.com/reviews/reviews6.html |title=Model 4706 Gaincard Review |last= |first= |date= |website= |publisher= |access-date= |deadurl=bot: unknown |archive-url=https://web.archive.org/web/20150109161458/http://www.sakurasystems.com/reviews/reviews6.html |archivedate=2015-01-09 |df= }} 071004 sakurasystems.com (gaincard review, which uses LM3875)</ref> |
'''LM3875''' is a 56 [[watt]] [[amplifier]] [[Integrated circuit|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 [[Audio system measurements|high-performance audio]] capabilities. It is the main chip inside many [[gainclone]] amplifiers which are based on the Gaincard amplifier which surprised many [[high-end audio]] [[Audiophile|reviewers]]. <ref>{{cite web|url=http://www.sakurasystems.com/reviews/reviews6.html |title=Model 4706 Gaincard Review |last= |first= |date= |website= |publisher= |access-date= |deadurl=bot: unknown |archive-url=https://web.archive.org/web/20150109161458/http://www.sakurasystems.com/reviews/reviews6.html |archivedate=2015-01-09 |df= }} 071004 sakurasystems.com (gaincard review, which uses LM3875)</ref> |
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This part has become obsolete and an EOL notice has been issued for it. The functional equivalent IC, the LM3886, has two additional signals that must be addressed before it can be substituted, the ''mute'' function and a virtual ''gnd'' pin.[[Special:Contributions/50.247.247.81|50.247.247.81]] ([[User talk:50.247.247.81|talk]]) 15:38, 2 February 2018 (UTC) |
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== References == |
== References == |
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* [http://www.ti.com/product/lm3875 Product page] [http://www.ti.com/lit/gpn/lm3875 (pdf datasheet)] |
* [http://www.ti.com/product/lm3875 Product page] [http://www.ti.com/lit/gpn/lm3875 (pdf datasheet)] |
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* [http://www.diyaudioprojects.com/Chip/chip.htm Chip amp projects, most based on the LM3875] |
* [http://www.diyaudioprojects.com/Chip/chip.htm Chip amp projects, most based on the LM3875] |
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* [https://www.digikey.com/product-detail/en/texas-instruments/LM3875TF-NOPB/296-43961-5-ND/308467] status of LM3875 at DigiKey |
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Revision as of 15:39, 2 February 2018
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 high-performance audio capabilities. It is the main chip inside many gainclone amplifiers which are based on the Gaincard amplifier which surprised many high-end audio reviewers. [1]
This part has become obsolete and an EOL notice has been issued for it. The functional equivalent IC, the LM3886, has two additional signals that must be addressed before it can be substituted, the mute function and a virtual gnd pin.50.247.247.81 (talk) 15:38, 2 February 2018 (UTC)
References
- ^ "Model 4706 Gaincard Review". Archived from the original on 2015-01-09.
{{cite web}}: Unknown parameter|deadurl=ignored (|url-status=suggested) (help) 071004 sakurasystems.com (gaincard review, which uses LM3875)
External links
- Product page (pdf datasheet)
- Chip amp projects, most based on the LM3875
- [1] status of LM3875 at DigiKey
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