Friday, May 17, 2013

Audio Amplifier Using IC LM4780

Audio Amplifier Using IC LM4780Audio Amplifier Using IC LM4780

Explore power amplifier integrated circuit from National Semiconductor LM4780. Whats so special? Well, first of all - a very low harmonic distortion. In general, manufacturers indicate the maximum power of his ingenious craft regularly with the harmonic content of 10%. At the same chip, CT in the specified maximum power is only 0.5%! Therefore, it is the most honest of all mikruhave found.

The chip implements two identical amplifier channels and features are given for the stereo amplifier. Circuit can also operate in mono - the inclusion of the bridge. In this case, the power output at CT = 0.5% of 120 watts. Other features remain virtually unchanged.

LM4780 IC Fiture
  • Features SPiKe Protection
  • Low external component count
  • Quiet fade-in/out mute mode
  • Wide supply range: 20V - 84V
  • Signal-to-Noise Ratio ≥ 97dB (ref. to PO = 1W)

Audio Amplifier Using IC LM4780Audio Amplifier Using IC LM4780

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