LM48512
FEATURES
- 2 E2S System Reduces EMI while Preserving Audio Quality and Efficiency
- Integrated Boost Converter
- Supply Voltage Level Detection on Boost
Converter
- Low Power Shutdown Mode
- "Click and Pop" suppression
APPLICATIONS
- Mobile phones
- Smart phones
- PDAs
DESCRIPTION
Part of National’s Power Wise family or products, the LM48512 delivers 1.8W into 8Ω, while consuming 14.5m A of quiescent current. The LM48512 also features
National’s Enhanced Emissions Suppression (E2S) system, a patented, ultra low EMI PWM architecture that significantly reduces RF emissions while preserving audio quality and efficiency. LM48512 improves battery life, reduces external ponent count, board area consumption, system cost, and simplifies design.
The LM48512 is designed to meet the demands of portable multimedia devices. The LM48512 features high efficiency pared to other boosted amplifiers and low EMI Class D amplifiers. The LM48512 is capable of driving an 8Ω speaker to 5.5V levels (1.8W)...
