LM49100GR/NOPB ,Mono Class AB Audio Sub-System with a True-Ground Headphone Amplifier 25-csBGA -40 to 85 SNAS392F –JUNE 2007–REVISED MAY 2013Connection Diagrams1 2 3 4 5AVDDCP GNDCP MIN+ BYPASS RINB C1N ..
LM4910LQ ,LM4910 Output Capacitor-less Stereo 35mW Headphone AmplifierGeneral Description Key Specificationsn PSRR at f = 217Hz 65dB (typ)The LM4910 is an audio power am ..
LM4910LQX ,LM4910 Output Capacitor-less Stereo 35mW Headphone AmplifierFeaturesoutput coupling capacitors and half-supply bypass capaci-n Eliminates headphone amplifier o ..
LM4910MA ,LM4910 Output Capacitor-less Stereo 35mW Headphone AmplifierLM4910 Output Capacitor-less Stereo 35mW Headphone AmplifierFebruary 2003LM4910Output Capacitor-les ..
LM4910MAX ,LM4910 Output Capacitor-less Stereo 35mW Headphone AmplifierElectrical Characteristics V = 3.3V (Notes 1, 2)DDThe following specifications apply for V = 3.3V, ..
LM4910MM ,LM4910 Output Capacitor-less Stereo 35mW Headphone Amplifierapplications.It n Power Output at V = 3.3V, R =32Ω, and THD ≤DD Lis capable of delivering 35mW of c ..
LP2985IM5-4.8 ,Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and micro SMD PackagesFeaturesn Ultra low dropout voltageThe LP2985 is a 150 mA, fixed-output voltage regulatordesigned t ..
LP2985IM5-5.0 ,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 ..
LP2985IM5-5.0/NOPB ,Micropower 150-mA Low-Noise Ultra-Low-Dropout Regulator in SOT-23 and DSBGA Packages 5-SOT-23 -40 to 125Block Diagram... 1112 Mechanical, Packaging, and Orderable7.3 Feature Description.... 11Information ..
LP2985IM5-5.3 ,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 ..
LP2985IM5-6.1 ,Micropower 150 mA Low-Noise Low-Dropout Regulator in SOT-23 and micro SMD packages for Applications with Output Voltages [Less_Than_Or_Equal] ...LP2985LV Micropower 150 mA Low-Noise Low-Dropout Regulator in SOT-23 and micro SMDpackages for
LP2985IM5X-1.5 ,Micropower 150 mA Low-Noise Low-Dropout Regulator in SOT-23 and micro SMD packages for ApplicationsLP2985LV Micropower 150 mA Low-Noise Low-Dropout Regulator in SOT-23 and micro SMDpackages for
LM49100GR/NOPB
Mono Class AB Audio Sub-System with a True-Ground Headphone Amplifier
LM49100
www.ti.com SNAS392F–JUNE 2007–REVISED MAY 2013
LM49100 Mono Class AB Audio Sub-System witha True-
Ground Headphone Amplifier
Checkfor Samples: LM49100
1FEATURES APPLICATIONS Mono and Stereo Inputs • Mobile Phones Thermal Overload Protection • PDAs True-Ground Headphone Drivers • LaptopsI2C Control Interface • Portable Electronics Input Mute Attenuation DESCRIPTION• 2nd Stage Headphone Attenuator The LM49100isa fully integrated audio subsystem
• 32-Step Digital Volume Control capableof delivering 1.275Wof continuous average
• 10 Operating Modes power intoa mono 8Ω bridged-tied load (BTL) with THD+N and witha 5V power supply. The
• Minimum External ComponentsLM49100 also hasa stereo true-ground headphone
• Click and Pop Suppression amplifier capableof 50mW per channelof continuous
• Micro-Power Shutdown average power intoa 32Ω single-ended (SE) loads
with 1% THD+N.
• Availablein Space-Saving 3mmx 3mm
25-Bump csBGA Package The LM49100 has three input channels. One pairof
RF Suppression SE inputs canbe used witha stereo signal. The other
input channelis fully differential and may be used
witha mono input signal. The LM49100 featuresa
KEY SPECIFICATIONS32-step digital volume control and ten distinct output
• Power Outputat VDD= 5V: modes. The mixer, volume control, and device mode
Loudspeaker (LS): select are controlled through anI2C compatible
interface.
– RL= 8Ω, THD+N≤: 1% 1.275W Headphone (VDDHP= 2.8V): Thermal overload protection prevent the device from
being damaged during fault conditions. Superior click
– RL= 32Ω, THD+N≤ 1%: 50mW and pop suppression eliminates audible transientson
• Shutdown current 0.01μA power-up/down and during shutdown.
