# LM3875

> Audio power amplifier IC

**Wikidata**: [Q3820382](https://www.wikidata.org/wiki/Q3820382)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/LM3875)  
**Source**: https://4ort.xyz/entity/lm3875

## Summary
LM3875 is an audio power amplifier integrated circuit (IC) model used for amplification, including high-fidelity audio applications. It is an integrated circuit model in the amplifier category, developed by National Semiconductor and manufactured by Texas Instruments.

## Key Facts
- LM3875 is an **audio power amplifier IC** (integrated circuit).
- LM3875 is an **instance of** an **integrated circuit model**.
- LM3875 is a **subclass of** both **integrated circuit** and **amplifier**.
- LM3875 is used for **amplifier** and **high fidelity** applications.
- LM3875 was **developed by National Semiconductor**.
- LM3875 is **manufactured by Texas Instruments**.
- LM3875 has the Freebase ID **/m/02rhz4b**.
- LM3875 has Wikipedia articles in **English** and **Italian** (title: **LM3875**).

## FAQs
### Q: What is the LM3875 used for?
A: LM3875 is used as an amplifier IC, including in high-fidelity audio amplification. It is specifically described as an audio power amplifier integrated circuit.

### Q: Who makes the LM3875?
A: LM3875 is manufactured by Texas Instruments. It was developed by National Semiconductor.

### Q: Is LM3875 an integrated circuit or a discrete amplifier?
A: LM3875 is an integrated circuit model. It is classified as an integrated circuit and as an amplifier.

### Q: Where can I find general reference information on LM3875?
A: LM3875 has Wikipedia entries in English and Italian under the title “LM3875.” It is also identified in structured data by the Freebase ID /m/02rhz4b.

## Why It Matters
LM3875 matters because it is a dedicated audio power amplifier IC designed for amplification use cases, including high-fidelity audio. As an integrated circuit model in the amplifier category, it represents a standardized, packaged approach to implementing audio power amplification without building an equivalent amplifier entirely from discrete components. This makes it relevant to anyone working with audio amplification circuits who needs a known amplifier IC model rather than a custom design.

Its significance also comes from its lineage and supply context: it was developed by National Semiconductor and is manufactured by Texas Instruments, a major semiconductor company. That combination is often important in electronics work because it ties a component to established semiconductor development and manufacturing ecosystems. In practical terms, LM3875 functions as a recognizable reference point in audio amplifier IC discussions and documentation, and it is indexed in public knowledge sources (e.g., Wikipedia and Freebase), which supports discoverability and consistent identification across technical and educational materials.

## Notable For
- Being specifically described as an **audio power amplifier IC**.
- Being used for **high-fidelity** amplification applications.
- Being **developed by National Semiconductor** and **manufactured by Texas Instruments**.
- Being explicitly classified as an **integrated circuit model** and an **amplifier**.
- Having cross-reference identifiers and public documentation (e.g., **Freebase ID /m/02rhz4b**, Wikipedia in **en** and **it**).

## Body
### Classification and Type
- LM3875 is an **integrated circuit model**.
- It is categorized under:
  - **Integrated circuit**
  - **Amplifier**
- It is described as an **audio power amplifier IC**.

### Intended Use
- Documented uses include:
  - **Amplifier**
  - **High fidelity**

### Development and Manufacturing
- **Developer:** National Semiconductor
- **Manufacturer:** Texas Instruments

### Identifiers and References
- **Freebase ID:** /m/02rhz4b
- **Wikipedia title:** LM3875
- **Wikipedia languages:** English (en), Italian (it)

### Related Entities
- **Texas Instruments** is the manufacturer associated with LM3875.