1875資料 引腳 原理圖

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