LM48311
www.ti.com SNAS484B – JUNE 2009 – REVISED MAY 2013 LM48311 Boomer™ Audio Power Amplifier Series Ultra-Low EMI, Filterless, 2.6W, Mono,
Class D Audio Power Amplifier with E2S
Check for Samples: LM48311 FEATURES 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) system, that features a
unique patent-pending ultra low EMI, spread
spectrum, PWM architecture, that significantly
reduces RF emissions while preserving audio quality
and efficiency. The E2S system improves battery life,
reduces external component count, board area
consumption, system cost, and simplifying design. 1 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 AutoRecovery
No output Filter Required
Internally Configured Gain (6dB)
Low power Shutdown Mode
Minimum External Components
"Click and Pop" Suppression
Micro-Power Shutdown …
