MAX98502
PRODUCTIONBoosted 2.2W Class D Amplifier with Automatic Level Control
Delivers Constant 2.2W Output Power Without Collapsing Battery
- Part Models
- 2
- 1ku List Price
- Starting From $0.94
Part Details
- Boosted Class D Output
- Integrated Automatic Level Control
- Output Power
- 2.2W into 8Ω, 10% THD+N
- 1.7W into 8Ω, 1% THD+N
- 4.1W into 4Ω, 10% THD+N
- 3.4W into 4Ω, 1% THD+N
- Wide 2.5V to 5.5V Supply Voltage Range
- Undervoltage Lockout Protection
- High Total Efficiency of 87%
- High Step-Up Switching Frequency (2MHz)
- Active Emission Limiting for Low EMI
The MAX98502 is a high-efficiency, Class D audio amplifier that features an integrated boost converter to deliver a constant output power over a wide range of battery supply voltages.
The boost converter operates at 2MHz, requiring only a small (2.2µH) external inductor and capacitor.
The automatic level control has a battery tracking function that reduces the output swing as the supply voltage drops, preventing collapse of battery voltage.
The amplifier has differential inputs and an internal fully differential design. The MAX98502 also features three gain settings (6dB, 15.5dB, and 20dB) that are selectable with a logic input.
The MAX98502 is available in a small, 0.5mm pitch 16-bump WLP package (2.1mm x 2.1mm). It is specified over the extended -40°C to +85°C temperature range.
Applications
- Active Speaker Accessories
- Cell Phones
- GPS Devices
- Mobile Internet Devices
- Smartphones
Documentation
Data Sheet 1
Reliability Data 1
Design Note 1
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| MAX98502EWE+ | Wafer-Level Package 4x4 Bump, Full Array | ||
| MAX98502EWE+T | Wafer-Level Package 4x4 Bump, Full Array |
This is the most up-to-date revision of the Data Sheet.
Hardware Ecosystem
| Parts | Product Life Cycle | Description |
|---|---|---|
| Product 1 | ||
| MAX98500 | Boosted 2.2W Class D Amplifier with Automatic Level Control | |
Evaluation Kits
Evaluation Kit for the MAX98502
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