LA4440 Datasheet

LA4440LA4440 is a 2 channel power amplifier that can deliver up to 6W per channel of 19W in bridge connection. It requires minimum number of external parts, it has small pop noise at the time of power supply ON/OFF. It has good ripple rejection of 46dB, small residual noise, built in over voltage and surge voltage protection etc. ideal feature of the IC is its pin-to-pin protection.

LA4440 Features

  • Good ripple rejection : 46dB (typ.)
  • Good channel separation.
  • Small residual noise (Rg=0).
  • Low distortion over a wide range from low frequencies to high frequencies.
  • Easy to design radiator fin.
  • Built-in audio muting function.
  • Built-in protectors.
    • Thermal protector
    • Overvoltage, surge voltage protector
    • Pin-to-pin short protector


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