LM3875 was a 56 watt amplifier chip made by Texas Instruments (previously National Semiconductor). It was very popular in the DIY audio community for its low parts count and its high-performance audio capabilities. It was the main chip inside many gainclone amplifiers which are based on the Gaincard amplifier. [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.
References
- ↑ "Model 4706 Gaincard Review". Archived from the original on 2015-01-09.
{{cite web}}: CS1 maint: bot: original URL status unknown (link) 071004 sakurasystems.com (gaincard review, which uses LM3875)
External links
- Product page (pdf datasheet)
- Chip amp projects, most based on the LM3875
- status of LM3875 at DigiKey
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