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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
- Portable DVD Players, Game Machines
- Notebook Computers
- 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-CBF SMT EMI Suppression Ferrite Bead, 330 Ω, 375 Ω | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CBF SMT EMI Suppression Ferrite Bead | Impedance @ 100 MHz330 Ω | Maximum Impedance375 Ω | Maximum Impedance250 MHz | Rated Current 22000 mA | DC Resistance0.08 Ω | TypeHigh Current |