lm1875英文资料

1875资料 引脚 原理图

1FEATURES DESCRIPTION 2 The LM1875 is a monolithic power amplifier offering • Up to 30 Watts Output Power very low distortion and high quality performance for • AVO Typically 90 dB consumer audio applications. • Low Distortion： 0.015%， 1 kHz， 20 W The LM1875 delivers 20 watts into a 4Ω or 8Ω load • Wide Power Bandwidth： 70 kHz on ±25V supplies. Using an 8Ω load and ±30V • Protection for AC and DC Short Circuits to supplies， over 30 watts of power may be delivered. Ground The amplifier is designed to operate with a minimum of external components. Device overload protection • Thermal Protection with Parole Circuit consists of both internal current limit and thermal • High Current Capability： 4A shutdown. • Wide Supply Range 16V-60V The LM1875 design takes advantage of advanced • Internal Output Protection Diodes circuit techniques and processing to achieve • 94 dB Ripple Rejection extremely low distortion levels even at high output power levels. Other outstanding features include high • Plastic Power Package TO-220 gain， fast slew rate and a wide power bandwidth， large output voltage swing， high current capability， APPLICATIONS and a very wide supply range. The amplifier is • High Performance Audio Systems internally compensated and stable for gains of 10 or greater. • Bridge Amplifiers • Stereo Phonographs • Servo Amplifiers • Instrument Systems