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LM48311

Texas Instruments
Part Number LM48311
Manufacturer Texas Instruments
Description Audio Power Amplifier
Published Sep 9, 2020
Detailed Description LM48311 www.ti.com SNAS484B – JUNE 2009 – REVISED MAY 2013 LM48311 Boomer™ Audio Power Amplifier Series Ultra-Low EMI...
Datasheet PDF File LM48311 PDF File

LM48311
LM48311

Overview
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 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 • Available in Space-Saving DSBGA Package APPLICATIONS • Mobile Phones • PDAs • Laptops KEY SPECIFICATIONS • Efficiency at 3.
6V, 400mW into 8Ω 85% (Typ) • Efficiency at 5V, 1W into 8Ω 88% (Typ) • Quiescent Power Supply Current at 5V 3.
1mA • 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) • Shut...


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