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LM49370RL/NOPB |LM49370RLNOPBNational SemiconductorN/a100avaiBoomer Aud Pwr Amp & Sub-Sys w/ an Ultra Low EMI Sprd Spectrum Class D Loudspkr Amp 49-DSBGA -40 to 85
LM49370RLX/NOPB |LM49370RLXNOPBNATIONALN/a800avaiBoomer Aud Pwr Amp & Sub-Sys w/ an Ultra Low EMI Sprd Spectrum Class D Loudspkr Amp 49-DSBGA -40 to 85


LM49370RLX/NOPB ,Boomer Aud Pwr Amp & Sub-Sys w/ an Ultra Low EMI Sprd Spectrum Class D Loudspkr Amp 49-DSBGA -40 to 85FEATURES • 16 Step Volume Control for Microphone in 2dB Steps2• Spread Spectrum Class D Architectur ..
LM4938MH ,Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable GainBlock Diagram®Boomer is a registered trademark of NationalSemiconductor Corporation. 2005 National ..
LM4938MHX ,Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable GainGeneral Description Key Specificationsn P at 1% THD+NThe LM4938 is a monolithic integrated circuit ..
LM4938MHX NOPB ,Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable Gain 28-HTSSOP features an externally controlled, low-APPLICATIONSpower consumption shutdown mode, and both apower ..
LM4946SQ , Output Capacitor-Less Audio Subsystem with Programmable National 3D
LM4946SQ , Output Capacitor-Less Audio Subsystem with Programmable National 3D
LP2985ITPX-1.5 ,Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packagesapplications.n Smallest possible size (SOT-23, micro SMD package)™Using an optimized VIP (Verticall ..
LP2985ITPX-2.5 ,Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and micro SMD PackagesApplicationsuse absolute minimum board space.n Cellular PhonePrecision Output: 1% tolerance output ..
LP2985ITPX-3.3 ,Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and micro SMD PackagesLP2985 Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and micro SMDPackagesMarch ..
LP2985ITPX-5.0 ,Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and micro SMD PackagesLP2985 Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and micro SMDPackagesMarch ..
LP2986 ,Micropower, 200 mA Ultra Low-Dropout Fixed or Adjustable Voltage RegulatorFeaturesn Ultra low dropout voltageThe LP2986 is a 200 mA precision LDO voltage regulatorwhich offe ..
LP2986AILD-3.0 ,Micropower, 200 mA Ultra Low-Dropout Fixed or Adjustable Voltage RegulatorApplicationsdrops approximately 5% below nominal.n Cellular PhonePrecision Output: The standard pro ..


LM49370RL/NOPB-LM49370RLX/NOPB
Boomer Aud Pwr Amp & Sub-Sys w/ an Ultra Low EMI Sprd Spectrum Class D Loudspkr Amp
LM49370
www.ti.com
SNAS356D –FEBRUARY 2007–REVISED MARCH 2012
LM49370 Boomer® Audio Power Amplifier Series Audio Sub-System with an Ultra Low
EMI, Spread Spectrum, ClassD Loudspeaker Amplifier,a Dual-Mode Stereo Headphone
Amplifier, anda Dedicated PCM Interface for Bluetooth Transceivers
Checkfor Samples: LM49370
1FEATURES • 16 Step Volume Control for Microphonein2 Steps Spread Spectrum ClassD Architecture Programmable Sidetone Attenuationin3 dBReduces EMI
Steps• Mono ClassD 8Ω Amplifier, 490 mWat 3.3V Two Configurable GPIO Ports• OCLor AC-Coupled Headphone Operation Multi-Function IRQ Output• 33mW Stereo Headphone Amplifierat 3.3V Micro-Power Shutdown Mode• 115 mW Earpiece Amplifierat 3.3V Availablein the4x4 mm49 Bump DSBGA• 18-bit Stereo DAC Package• 16-bit Mono ADC • Key Specifications• 8 kHzto 192 kHz Stereo Audio Playback – PHP (AC-COUP) (A_VDD= 3.3V, 32Ω, 1% THD)33• 8 kHzto48 kHz Mono Recording mW• BidirectionalI2S Compatible Audio Interface – PHP (OCL) (A_VDD= 3.3V, 32Ω, 1% THD)31• Bidirectional PCM Compatible Audio Interface mWfor Bluetooth Transceivers – PLS( LS_VDD= 5V, 8Ω, 1% THD) 1.2W•I2 S-PCM Bridge with Sample Rate Conversion – PLS (LS_VDD= 4.2V, 8Ω, 1% THD) 900 mW• Sigma-Delta PLL for Operation from Any Clock – PLS (LS_VDD= 3.3V, 8Ω, 1% THD) 490 mWat Any Sample Rate – Shutdown Current 0.8µA• Digital 3D Stereo Enhancement – PSRRLS (217 Hz, LS_VDD= 3.3V)70 dB• FIR Filter Programmability for Simple Tone – SNRLS (AUXINto Loudspeaker)90 dB (typ)Control SNRDAC (Stereo DACto AUXOUT)85 dB• Low Power Clock Network Operationifa12 (typ)MHzor13 MHz System Clockis Available SNRADC (Mono ADC from Cell Phone In)90• Read/WriteI2Cor SPI Compatible Control dB (typ) SNRHP (AuxInto Headphones)98 dB (typ)& Microphone Detection and Microphones APPLICATIONS for Microphone Input Multimedia Terminals PDAs, Internet Gaming • Portable DVD/CD/AAC/MP3 Players Internal • Digital Cameras/Camcordersto Outputin 1.5 dB
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