Datasheet Texas Instruments LM48411TL/NOPB — 数据表

LM48411
www.ti.com LM48411 SNAS399G – SEPTEMBER 2007 – REVISED MAY 2013 Ultra-Low EMI, Filterless, 2.5W, Stereo, Class D
Audio Power Amplifier with E2S
Check for Samples: LM48411 FEATURES 1 2 2 E S System Reduces EMI Preserving Audio
Quality and Efficiency
Output Short Circuit Protection
Stereo Class D Operation
No Output Filter Required for Inductive Loads
Logic Selectable Gain
Independent Shutdown Control
Minimum External Components
"Click and Pop" Suppression Circuitry
Micro-Power Shutdown Mode
Available in Space-Saving 0.5mm Pitch
DSBGA Package APPLICATIONS Mobile Phones
PDAs
Portable Electronic Devices KEY SPECIFICATIONS Efficiency at 3.6V, 500mW into 8Ω Speaker:
87% (typ)
Efficiency at 3.6V, 100mW into 8Ω Speaker:
80% (typ)
Efficiency at 5V, 1W into 8Ω Speaker:
88% (typ)
Quiescent Current, 3.6V Supply: 4.2mA (typ) …