音响芯片 LM1875 20W Audio P.pdf LM1875 20W Audio Power Amplifier July 2002 LM1875 20W Audio Power Amplifier General Description Features The LM1875 is a monolithic power amplifier offering very low n Up to 30 watts output power distortion and high quality performance for consumer audio n AVO typically 90 dB applications. n Low distortion: 0.015%, 1 kHz, 20 W The LM1875 delivers 20 watts into a 4 or 8 load on ± 25V n Wide power bandw……