LM48311
FEATURES
- 23 Passes FCC Class B Radiated Emissions with 20 Inches of Cable
- E2S System Reduces EMI while Preserving Audio Quality and Efficiency
- Output Short Circuit Protection with Auto Recovery
- No output Filter Required
- Internally Configured Gain (6d B)
- Low power Shutdown Mode
- Minimum External ponents
- "Click and Pop" Suppression
- Micro-Power Shutdown
- Available in Space-Saving DSBGA Package
APPLICATIONS
- Mobile Phones
- PDAs
- Laptops
KEY SPECIFICATIONS
- Efficiency at 3.6V, 400m W into 8Ω 85% (Typ)
- Efficiency at 5V, 1W into 8Ω 88% (Typ)
- Quiescent Power Supply Current at 5V 3.1m A
- Power Output at VDD = 5V, RL = 4Ω
- THD+N ≤ 10% 2.6W (Typ)
- THD+N ≤ 1% 2.1W (Typ)
- Power Output at VDD = 5V, RL = 8Ω
- THD+N ≤ 10% 1.6W (Typ)
- THD+N ≤ 1% 1.3W (Typ)
- Shutdown Current 0.01μA (Typ)
DESCRIPTION
The LM48311 is a single supply, high efficiency, mono, 2.6W, filterless switching audio amplifier. The LM48311 features
Texas Instruments' Enhanced Emissions Suppression (E2S)...
