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LM4856ITLXNSN/a39000avaiIntegrated Audio Amplifier System
LM4856LQNSCN/a70avaiIntegrated Audio Amplifier System
LM4856ITLNationalN/a250avaiIntegrated Audio Amplifier System


LM4856ITLX ,Integrated Audio Amplifier Systemapplications.Itdelivershighqualityoutputpower from a surface-mount package and requires only n Low ..
LM4856LQ ,Integrated Audio Amplifier Systemfeatures a 32 step digital volume control andn 60mW (typ) output power with stereo 32Ω SE loadseigh ..
LM4857ITL ,Stereo 1.2W Audio Sub-system with 3D EnhancementGeneral Description Key SpecificationsThe LM4857 is an integrated audio sub-system designed forj P ..
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LP2981AIM5X-3.1 ,Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packagesapplications.n Guaranteed 100 mAoutput currentUsing an optimized VIP™ (Vertically Integrated PNP) p ..
LP2981AIM5X-3.1 ,Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD PackagesApplicationsPrecision Output. 0.75% tolerance output voltages avail-n Cellular Phoneable (Agrade).n ..
LP2981AIM5X-3.2 ,Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD PackagesLP2981 Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD PackagesJanuary 2003LP ..
LP2981AIM5X-3.3 ,Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD PackagesLP2981 Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD PackagesJanuary 2003LP ..
LP2981AIM5X-3.6 ,Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD PackagesLP2981 Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD PackagesJanuary 2003LP ..
LP2981AIM5X-3.8 ,Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packagesapplications.n Guaranteed 100 mAoutput currentUsing an optimized VIP™ (Vertically Integrated PNP) p ..


LM4856ITL-LM4856ITLX-LM4856LQ
Integrated Audio Amplifier System
LM4856
Integrated Audio Amplifier System
General Description

The LM4856isan audio power amplifier system capableof
delivering 1.1W (typ)of continuous average power intoa
mono 8Ω bridged-tied load (BTL) with 1% THD+N and
60mW (typ) per channelof continuous average power into
stereo 32Ω single-ended (SE) loads with 0.5% THD+N, us-
inga5V power supply.
The LM4856 featuresa32 step digital volume control and
eight distinct output modes. The digital volume control and
output modesare programmed througha two-wireI2C com-
patible control interface, that allows flexibilityin routing and
mixing audio channels.
The LM4856is designedfor cellular phone, PDA, and other
portable handheld applications.It delivers high quality output
power froma surface-mount package and requires only
eight external components.
The industry leading micro SMD package only utilizes 2mm 2.3mmof PCB space, makingthe LM4856the most space
efficient audio sub system available today.
Key Specifications
THD+Nat 1kHz, 1.1W into8Ω BTL 1.0% (typ) THD+Nat 1kHz, 60mW into 32ΩSE 0.5% (typ) Single Supply Operation 2.6to 5.0V
Features
1.1W (typ) output power with8Ω mono BTL load 60mW (typ) output power with stereo 32ΩSE loadsI2C programmable32 step digital volume control Eight distinct output modes micro-SMD and LLP surface mount packaging "Click and Pop" suppression circuitry Thermal shutdown protection Low shutdown current (0.1uA, typ)
Applications
Moblie Phones PDAs
Typical Application

FIGURE1. Typical Audio Amplifier Application Circuit
May 2004
LM4856
Integrated
Audio
Amplifier
System
ic,good price


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