Audio power ics national semiconductor lm380n audio power amplifier 25w output power 8r load impedance 10v to 22v supply voltage 0 to 70c 14 dip case wide supply voltage range low quiescent power drain voltage gain fixed at 50 high peak current capability input referenced to gnd high input impedance low distortion quiescent output voltage is at one half of the supply voltage standard dual in line package applications includes simple phonograph amplifiers intercoms line dri