Product details

Speaker channels (Max) Stereo Power stage supply (Max) (V) 64 Power stage supply (Min) (V) 20 Load (Min) (ohms) 4 Output power (W) 20 THD + N @ 1 kHz (%) 0.08 Iq (Typ) (mA) 25 Control interface Hardware Closed/open loop Open Analog supply (Min) (V) 20 Analog supply (Max) (V) 64 PSRR (dB) 115 Operating temperature range (C) -20 to 85
Speaker channels (Max) Stereo Power stage supply (Max) (V) 64 Power stage supply (Min) (V) 20 Load (Min) (ohms) 4 Output power (W) 20 THD + N @ 1 kHz (%) 0.08 Iq (Typ) (mA) 25 Control interface Hardware Closed/open loop Open Analog supply (Min) (V) 20 Analog supply (Max) (V) 64 PSRR (dB) 115 Operating temperature range (C) -20 to 85
TO-220 (NDB) 15 195 mm² 20.02 x 9.765
  • SPiKe Protection
  • Minimal Amount of External Components Necessary
  • Quiet Fade-In/Out Mute Mode
  • Standby-Mode
  • Isolated 15-Lead TO-220 Package (PFM)
  • Non-Isolated 15-lead TO-220 Package
  • Wide Supply Range 20V - 64V

Key Specifications

  • THD+N at 1kHz at 2 x 15W continuous averageoutput power into 4Ω or 8Ω: 0.1% (max)
  • THD+N at 1kHz at continuous average output power of 2 x 20W into 8Ω: 0.009% (typ)
  • Standby current: 4.2mA (typ)

All trademarks are the property of their respective owners.

  • SPiKe Protection
  • Minimal Amount of External Components Necessary
  • Quiet Fade-In/Out Mute Mode
  • Standby-Mode
  • Isolated 15-Lead TO-220 Package (PFM)
  • Non-Isolated 15-lead TO-220 Package
  • Wide Supply Range 20V - 64V

Key Specifications

  • THD+N at 1kHz at 2 x 15W continuous averageoutput power into 4Ω or 8Ω: 0.1% (max)
  • THD+N at 1kHz at continuous average output power of 2 x 20W into 8Ω: 0.009% (typ)
  • Standby current: 4.2mA (typ)

All trademarks are the property of their respective owners.

The LM1876 is a stereo audio amplifier capable of delivering typically 20W per channel of continuous average output power into a 4Ω or 8Ω load with less than 0.1% THD+N.

Each amplifier has an independent smooth transition fade-in/out mute and a power conserving standby mode which can be controlled by external logic.

The performance of the LM1876, utilizing its Self Peak Instantaneous Temperature (°Ke) (SPiKe) protection circuitry, places it in a class above discrete and hybrid amplifiers by providing an inherently, dynamically protected Safe Operating Area (SOA). SPiKe protection means that these parts are safeguarded at the output against overvoltage, undervoltage, overloads, including thermal runaway and instantaneous temperature peaks.

The LM1876 is a stereo audio amplifier capable of delivering typically 20W per channel of continuous average output power into a 4Ω or 8Ω load with less than 0.1% THD+N.

Each amplifier has an independent smooth transition fade-in/out mute and a power conserving standby mode which can be controlled by external logic.

The performance of the LM1876, utilizing its Self Peak Instantaneous Temperature (°Ke) (SPiKe) protection circuitry, places it in a class above discrete and hybrid amplifiers by providing an inherently, dynamically protected Safe Operating Area (SOA). SPiKe protection means that these parts are safeguarded at the output against overvoltage, undervoltage, overloads, including thermal runaway and instantaneous temperature peaks.

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Technical documentation

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Type Title Date
* Data sheet Overture Audio Pwr Amp Series Dual 20W Audio Pwr Amp w/Mute & Standby Modes datasheet (Rev. C) 03 Apr 2013
Application note Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) 26 Aug 2019
Application note AN-1849 An Audio Amplifier Power Supply Design (Rev. C) 27 Jun 2019

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Simulation model

LM1876 TINA-TI Spice Model

SNAM075.ZIP (20 KB) - TINA-TI Spice Model
Simulation model

LM1876 TINA-TI Reference Design

SNAM076.TSC (97 KB) - TINA-TI Reference Design
Simulation model

LM1876 Unencrypted PSpice Model Package (Rev. A)

SNAM077A.ZIP (20 KB) - PSpice Model
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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TO-220 (NDB) 15 View options

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