LM4838
www.ti.com SNAS131F – JANUARY 2001 – REVISED MARCH 2013 LM4838 Stereo 2W Audio Power Amplifiers
with DC Volume Control and Selectable Gain
Check for Samples: LM4838 FEATURES DESCRIPTION The LM4838 is a monolithic integrated circuit that
provides DC volume control, and stereo bridged
audio power amplifiers capable of producing 2W into
4Ω with less than 1.0% THD or 2.2W into 3Ω with
less than 1.0% THD (see Notes below). 1 23 DC Volume Control Interface
System Beep Detect
Stereo Switchable Bridged/Single-Ended
Power Amplifiers
Selectable Internal/External Gain and Bass
Boost
“Click and Pop” Suppression Circuitry
Thermal Shutdown Protection Circuitry APPLICATIONS Portable and Desktop Computers
Multimedia Monitors
Portable Radios, PDAs, and Portable TVs Boomerв„ў audio integrated circuits were designed
specifically to provide high quality audio while
requiring a minimum amount of external components.
The LM4838 incorporates a DC volume control,
stereo bridged audio power amplifiers and a
selectable gain or bass boost, making it optimally
suited for multimedia monitors, portable radios, …