LM4839LQX ,Stereo 2W Audio Power Amplifiers with DC Volume Control, Bass Boost, and Input MuxElectrical Characteristics for Entire IC(Notes 7, 10)The following specifications apply for V = 5V ..
LM4839MT ,Stereo 2W Audio Power Amplifiers with DC Volume Control, Bass Boost, and Input MuxElectrical Characteristics for Entire IC(Notes 7, 10)The following specifications apply for V = 5V ..
LM4839MT ,Stereo 2W Audio Power Amplifiers with DC Volume Control, Bass Boost, and Input MuxGeneral Description Key Specificationsn P at 1% THD+NThe LM4839 is a monolithic integrated circuit ..
LM4839MTE ,Stereo 2W Audio Power Amplifiers with DC Volume Control, Bass Boost, and Input MuxGeneral Description Key Specificationsn P at 1% THD+NThe LM4839 is a monolithic integrated circuit ..
LM4839MTEX ,Stereo 2W Audio Power Amplifiers with DC Volume Control, Bass Boost, and Input MuxLM4839 Stereo 2W Audio Power Amplifiers with DC Volume Control, Bass Boost, and Input MuxApril 2002 ..
LM4840LQ ,Stereo 2W Audio Power Amplifiers with Digital Volume Control and Input MuxGeneral Description Key Specificationsn P at 1% THD+NThe LM4840 is a monolithic integrated circuit ..
LP2980IM5X-ADJ ,Micropower SOT, 50 mA Ultra Low-Dropout Adjustable Voltage RegulatorLP2980-ADJ Micropower SOT, 50 mA Ultra Low-Dropout Adjustable Voltage RegulatorApril 2000LP2980-ADJ ..
LP2981-28DBVR ,100-MA ULTRA DROPOUT REGULATOR WITH SHUTDOWN
LP2981-29DBVR ,100-MA ULTRA DROPOUT REGULATOR WITH SHUTDOWN
LP2981-30DBVTG4 ,Single Output LDO, 100mA, Fixed(3.0V), Shutdown, 1.25% Tolerance 5-SOT-23 -40 to 125
LP2981-33DBVR ,100-MA ULTRA DROPOUT REGULATOR WITH SHUTDOWN
LP2981-33DBVTG4 ,Single Output LDO, 100mA, Fixed(3.3V), Shutdown, 1.25% Tolerance 5-SOT-23 -40 to 125
LM4839LQ-LM4839LQX-LM4839MT-LM4839MTE-LM4839MTEX
Stereo 2W Audio Power Amplifiers with DC Volume Control, Bass Boost, and Input Mux
LM4839
Stereo 2W Audio Power Amplifiers
with DC Volume Control, Bass Boost, and Input Mux
General DescriptionThe LM4839isa monolithic integrated circuit that provides volume control, and stereo bridged audio power amplifi-
ers capableof producing 2W into4Ω (Note1) with less than
1.0% THD+N,or 2.2W into3Ω (Note2) with less than 1.0%
THD+N.
Boomer® audio integrated circuits were designed specifically provide high quality audio while requiringa minimum
amountof external components. The LM4839 incorporatesa volume control, stereo bridged audio power amplifiers,
selectable gainor bass boost, andan input mux makingit
optimally suitedfor multimedia monitors, portable radios,
desktop, and portable computer applications.
The LM4839 featuresan externally controlled, low-power
consumption shutdown mode, and botha power amplifier
and headphone mutefor maximum system flexibility and
performance.
Note1: When properly mountedtothe circuit board,the LM4839LQand
LM4839MTEwill deliver2Winto4Ω.The LM4839MTwill deliver 1.1Winto
8Ω.Seethe Application Informationsectionfor LM4839LQand LM4839MTE
usage information.
Note2:An LM4839LQand LM4839MTEthat have been properly mountedthe circuit boardand forced-air cooledwill deliver 2.2Winto3Ω.
Key Specifications POat 1% THD+N into3Ω (LQ& MTE) 2.2W(typ) into4Ω (LQ& MTE) 2.0W(typ) into8Ω (LM4839) (MT, MTE,& LQ) 1.1W(typ) Single-ended mode- THD+Nat 85mW into
32Ω 1.0%(typ) Shutdown current 0.2μA(typ)
Features DC Volume Control Interface Input mux 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
Connection Diagrams
LLP PackageDS200134-83
Top View
Order Number LM4839LQ
See NS Package Number LQA028AAfor Exposed-DAP LLPApril 2002
LM4839
Stereo
Audio
Power
Amplifiers
with
olume
Control,
Bass
Boost,
and
Input
