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National Semiconductor LM1876 Overture Audio Power Amplifier Series Datasheet
The LM1876 is a stereo audio power amplifier capable of delivering typically 20 W per channel into a 4 Ω or 8 Ω load with less than 0.1 % THD+N. Each channel includes smooth fade‑in/out mute and a power‑saving standby mode that can be controlled by external logic.
The device features SPiKe™ protection that safeguards against over‑voltage, under‑voltage, overload, thermal runaway and instantaneous temperature peaks, and is offered in isolated and non‑isolated 15‑lead TO‑220 packages.
National Semiconductor LM1876 specifications
| Continuous average output power per channel | 20 W into 8 Ω |
|---|---|
| Standby current (typical) | 4.2 mA |
| Supply voltage range | 20 V – 64 V |
| Package type (isolated) | 15‑lead TO‑220 |
Source: National Semiconductor LM1876 Overture Audio Power Amplifier Series Datasheet
All National Semiconductor LM1876 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the standby current of the LM1876?
The typical standby current is 4.2 mA.
From: National Semiconductor LM1876 Overture Audio Power Amplifier Series Datasheet
What supply voltage range does the LM1876 support?
It operates from 20 V up to 64 V.
From: National Semiconductor LM1876 Overture Audio Power Amplifier Series Datasheet
What is the typical THD+N at 1 kHz?
Typical THD+N is 0.009 % at 1 kHz.
From: National Semiconductor LM1876 Audio Power Amplifier Datasheet
What protection does the LM1876 provide?
It includes SPiKe (Self‑Peak Instantaneous Temperature) protection circuitry that guards against over‑voltage, under‑voltage, overloads and thermal spikes.
From: National Semiconductor LM1876 Audio Power Amplifier Datasheet
What is the typical quiescent current of the LM1876?
The typical quiescent current is about 4.2 mA.
From: National Semiconductor LM1876 Audio Power Amplifier Datasheet