LA4440 Original 19W Power Amplifier IC


New and original Logic IC LA4440 6W 2 Channel Bridge 19W Power Amplifier




  • Built-in 2 channels (dual) enabling use in stereo and bridge amplifier applications. Dual : 6W×2 (typ.) Bridge : 19W (typ.)
  • Minimum number of external parts required.
  • Small pop noise at the time of power supply ON/OFF and good starting balance.
  • 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. a. Thermal protector b. Over voltage, surge voltage protector c. Pin-to-pin short protector


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