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SK18752 - 20W Audio Power Amplifier

General Description

The LM1875 is a monolithic power amplifier offering very low distortion and high quality performance for consumer audio applications.

The LM1875 delivers 20 watts into a 4Ω or 8Ω load on ±25V supplies.

Using an 8Ω load and ±30V supplies, over 30 watts of power may be delivered.

Key Features

  • 1.
  • 2 Up to 30 Watts Output Power.
  • AVO Typically 90 dB.
  • Low Distortion: 0.015%, 1 kHz, 20 W.
  • Wide Power Bandwidth: 70 kHz.
  • Protection for AC and DC Short Circuits to Ground.
  • Thermal Protection with Parole Circuit.
  • High Current Capability: 4A.
  • Wide Supply Range 16V-60V.
  • Internal Output Protection Diodes.
  • 94 dB Ripple Rejection.
  • Plastic Power Package TO-220.

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Other Datasheets by Texas Instruments

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Full PDF Text Transcription (Reference)

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LM1875 www.ti.com SNAS524A – MAY 2004 – REVISED MAY 2004 LM1875 20W Audio Power Amplifier Check for Samples: LM1875 FEATURES 1 •2 Up to 30 Watts Output Power • AVO Typically 90 dB • Low Distortion: 0.015%, 1 kHz, 20 W • Wide Power Bandwidth: 70 kHz • Protection for AC and DC Short Circuits to Ground • Thermal Protection with Parole Circuit • High Current Capability: 4A • Wide Supply Range 16V-60V • Internal Output Protection Diodes • 94 dB Ripple Rejection • Plastic Power Package TO-220 APPLICATIONS • High Performance Audio Systems • Bridge Amplifiers • Stereo Phonographs • Servo Amplifiers • Instrument Systems DESCRIPTION The LM1875 is a monolithic power amplifier offering very low distortion and high quality performance for consumer audio applications.