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National Semiconductor LM1896/LM2896 Dual Audio Power Amplifier Datasheet
The LM1896/LM2896 is a high‑performance dual audio power amplifier designed for low‑noise, low‑distortion operation in AM radios, portable stereos, and tape recorders. It offers a wide supply range (3 V‑9 V for LM1896, up to 15 V for LM2896) and can operate in stereo or bridged monaural mode.
The document provides absolute maximum ratings, electrical characteristics, typical performance curves, application hints for AM radios, bridge‑mode operation guidelines, printed‑circuit‑board layouts, and physical dimensions of the dual‑in‑line and single‑in‑line packages.
National Semiconductor LM2896 specifications
| Supply Voltage (LM1896) | 3 V – 10 V |
|---|---|
| Supply Voltage (LM2896) | 3 V – 15 V |
| Output Power (LM2896P‑1 Dual Mode) | 2.0 – 2.5 W per channel |
| THD (LM1896, 1 kHz) | 0.09 % |
| Input Impedance | 50 Ω – 100 Ω – 350 Ω |
| Power Supply Rejection Ratio (PSRR) | 40 dB – 54 dB |
Source: National Semiconductor LM1896/LM2896 Dual Audio Power Amplifier Datasheet
All National Semiconductor LM2896 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the supply voltage range for the LM1896?
The LM1896 operates from 3 V to 10 V.
From: National Semiconductor LM1896/LM2896 Dual Audio Power Amplifier Datasheet
What is the typical output power of the LM2896P‑1 in dual mode?
It delivers 2.0 to 2.5 W per channel in dual mode.
From: National Semiconductor LM1896/LM2896 Dual Audio Power Amplifier Datasheet
What supply voltage range does the LM1896 support?
The LM1896 operates from 3 V to 10 V, while the LM2896 version supports up to 15 V.
From: National Semiconductor LM1896/LM2896 Dual Audio Power Amplifier Datasheet
How much power can the LM1896 deliver in dual‑channel mode?
In dual‑channel mode it can deliver about 0.9 W per channel with a 6 V supply and a 4 Ω load.
From: National Semiconductor LM1896/LM2896 Dual Audio Power Amplifier Datasheet