Thursday, October 22, 2009

LA4425A 5W. POWER AMPLIFIER WITH VERY FEW EXTERNAL PARTS FOR CAR RADIO AND CAR STEREO CIRCUIT

circuit VCC max = 0 18 V
VCC = 13.2 V.
RL = 4 OHM
PO = 5 W.
fL =  40 Hz
fH = 90 kHz
Features

  • The world’s first power amplifier with very few external
    parts.
  • Almost no evaluation, adjustment and check of its functions
    as a power IC required
  • Wide operation supply range ® 5 to 16V
  • On-chip protection:
    Overvoltage protection
    Thermal protection
    Output D.C. short protection
  • On-chip pop noise reducing circuit

pcb

LA4425A 5W. Printed Circuit Pattern

LA4425A DATASHEET