Gainclone

LM3886 Gainclone Chip-Amp Project Build

In this article, I discuss the history of the LM3886/chip-amp/gaincard and run through building my own dual-mono LM3886 gainclone amplifier. The LM3886 is one of Texas Instrument’s single-chip monolithic amplifier integrated circuits. It’s almost an entire amplifier-on-a-chip, with only a few extra parts required to build a fully functional, high-performance amplifier. The LM3886 features low […]

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LM4780 Gainclone Chip-Amp Project

After successfully building my LM3886-based gainclone project amplifier, I’ve decided to build a version better suited to driving low-impedance loads. This leads me to the LM4780 chip from TI, which is just two LM3886 dies in one package. It can be used as a stereo amp, or a bridged or paralleled mono amplifier. The datasheet

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