MAX98303
Stereo 3.1W Class D Amplifier
Big 3.1W/Channel Power in a Small, 16-Bump 0.4mm WLP
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Active emissions limiting, edge-rate, and overshoot control circuitry greatly reduces EMI. A filterless spread-spectrum modulation scheme eliminates the need for output filtering found in traditional Class D devices. These features reduce application component count.
The IC's 2.0mA at 3.7V, 2.7mA at 5V, quiescent current extends battery life in portable applications.
The IC is available in a 16-bump WLP (1.68mm x 1.68mm x 0.64mm) package specified over the extended -40°C to +85°C temperature range.
Key Features
- Low Quiescent Current: 2.0mA at 3.7V, 2.7mA at 5V
- Spread Spectrum and Active Emissions Limiting
- Five Pin-Selectable Gains
- Click-and-Pop Suppression
- Thermal and Overcurrent Protection
- Low-Current Shutdown Mode
- Space-Saving, 1.68mm x 1.68mm x 0.64mm, 16-Bump WLP (0.4mm Pitch)
Applications/Uses
- Cellular Phones
- MP3 Players
- Notebook and Netbook Computers
- Portable Audio Players
- Tablets
- VoIP Phones
| # Channels | 2 |
| Class | D |
| Spkr. Amp. VCC (V) (min) | 2.6 |
| Spkr. Amp. VCC (V) (max) | 5.5 |
| Spkr. Amp. ICC (mA) (typ) | 2 |
| POUT into 4Ω @ 1% THD+N (W) (min) | 2.5 |
| POUT into 4Ω @ 10% THD+N (W) (min) | 3.1 |
| POUT into 8Ω @ 1% THD+N (W) (min) | 1.4 |
| POUT into 8Ω @ 10% THD+N (W) (min) | 1.8 |
| Spkr. Amp. Half Pwr. THD+N (%) | 0.04 |
| SNR (dB) (A- Weighted) | 99.6 |
| PSRR (dB) (min) | 78 |
| Package/Pins | WLP/16 |
| Budgetary Price (See Notes) | $0.66 @1k |
Technical Docs
| Data Sheet | Stereo 3.1W Class D Amplifier | Oct 08, 2010 |
Click any title below to view the detail page where available.
Description
The MAX98303 evaluation kit (EV kit) is a fully assembled and tested PCB that evaluates the MAX98303 stereo 3.1W Class D amplifier in a 16-bump, 0.4mm pitch wafer-level package (WLP). The EV kit operates from a single 2.6V to 5.5V DC power supply and is capable of delivering 3.1W into a 4Ω load. The EV kit accepts a differential or single-ended audio input and provides differential outputs for the speaker. The device outputs can be connected directly to a speaker load for filterless applications; however, a filter can be added to ease evaluation.
View DetailsFeatures
- 2.6V to 5.5V Single-Supply Operation
- Delivers 3.1W Into a 4Ω Load
- Single-Ended or Differential Audio Input
- Five Selectable Gains
- Filterless Operation
- Optional Class D Output Filters for Ease of Evaluation
- Low-Power Shutdown Input
- Fully Assembled and Tested
Support & Training
Search our knowledge base for answers to your technical questions.
Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal
Parameters
Key Features
- Low Quiescent Current: 2.0mA at 3.7V, 2.7mA at 5V
- Spread Spectrum and Active Emissions Limiting
- Five Pin-Selectable Gains
- Click-and-Pop Suppression
- Thermal and Overcurrent Protection
- Low-Current Shutdown Mode
- Space-Saving, 1.68mm x 1.68mm x 0.64mm, 16-Bump WLP (0.4mm Pitch)
Applications/Uses
- Cellular Phones
- MP3 Players
- Notebook and Netbook Computers
- Portable Audio Players
- Tablets
- VoIP Phones
Description
Active emissions limiting, edge-rate, and overshoot control circuitry greatly reduces EMI. A filterless spread-spectrum modulation scheme eliminates the need for output filtering found in traditional Class D devices. These features reduce application component count.
The IC's 2.0mA at 3.7V, 2.7mA at 5V, quiescent current extends battery life in portable applications.
The IC is available in a 16-bump WLP (1.68mm x 1.68mm x 0.64mm) package specified over the extended -40°C to +85°C temperature range.
Technical Docs
| Data Sheet | Stereo 3.1W Class D Amplifier | Oct 08, 2010 |
Support & Training
Search our knowledge base for answers to your technical questions.
Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal
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