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Overview
| Topology | Buck Converter |
| Input voltage | 2.5-5.5 V |
| IC revision | 1-4 |
Description
The PAM8403 is a 3W, class-D audio amplifier. It offers low THD+N, allowing it to achieve high-quality sound reproduction. The new filterless architecture allows the device to drive the speaker directly,requiring no low-pass output filters, thus saving system cost and PCB area.
With the same numbers of external components, the efficiency of thePAM8403 is much better than that of Class-AB cousins. It can extendthe battery life, which makes it well-suited for portable applications.
The PAM8403 is available in SOP-16 package.
Features
- 3W Output at 10% THD with a 4Ω Load and 5V Power Supply
- Filterless, Low Quiescent Current and Low EMI
- Low THD+N
- Superior Low Noise
- Efficiency up to 90%
- Short Circuit Protection
- Thermal Shutdown
- Few External Components to Save the Space and Cost
- Pb-Free Package
Typical applications
- LCD Monitors / TV Projectors
- Cellular Phones/Speaker Phones
- Notebook Computers
- Portable DVD Players, Game Machines
- Portable Speakers
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (Ω) | Type | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 742792037 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CBF SMT EMI Suppression Ferrite Bead | 330 | 375 | 250 MHz | 2000 | 0.08 | High Current |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (Ω) | Type | Samples |
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