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LP2985IM5X-3.3/NOPB ,Micropower 150-mA Low-Noise Ultra-Low-Dropout Regulator in SOT-23 and DSBGA Packages 5-SOT-23 -40 to 125 SNVS018Y–MARCH 2000–REVISED DECEMBER 2016Changes from Revision U (April 2013) to Revision V Page• ..
LM4916LD/NOPB
1.5V, Mono 85mW BTL Output, 14mW Stereo Headphone Audio Amplifier 10-WSON -40 to 85
LM4916
www.ti.com SNAS179E –MAY 2003–REVISED MAY 2013
LM4916 1.5V, Mono 85mW BTL Output, 14mW Stereo
Headphone Audio Amplifier
Checkfor Samples: LM4916
1FEATURES DESCRIPTIONThe unity gain stable LM4916 is botha mono
Single-Cell 0.9Vto 2.5V Battery Operation differential output (for bridge-tied loadsor BTL) audio
• BTL Mode for Mono Speaker power amplifier anda Single Ended (SE) stereo
Single-Ended Headphone Operation with headphone amplifier. Operating ona single 1.5V
Coupling Capacitors supply, the mono BTL mode delivers 85mW into an load at 1% THD+N. In Single Ended stereo
• Unity-Gain Stable headphone mode, the amplifier delivers 14mW per
• "Click and Pop" Suppression Circuitry channel intoa 16Ω loadat 1% THD+N.
Active-Low Micropower Shutdown With the LM4916 packagedin the MM and WSON
• Low Current, Active-Low Mute Mode packages, the customer benefits include low profile
Thermal Shutdown Protection Circuitry and small size. These packages minimize PCB area
and maximizes output power.
APPLICATIONS The LM4916 features circuitry that reduces output
transients ("clicks" and "pops") during device turn-on
• Portable One-Cell Audio Productsand turn-off, an externally controlled, low-power
• Portable One-Cell Electronic Devices consumption, active-low shutdown mode, and thermal
shutdown. Boomer audio power amplifiers are
KEY SPECIFICATIONS designed specificallyto use few external components
and provide high quality output powerina surface
• Mono-BTL Output Powermount package.
• (RL=8Ω, VDD=1.5V, THD+N=1%), 85mW (typ) Stereo Headphone Output Power (RL=16Ω, VDD=1.5V, THD+N=1%), 14mW (typ) Micropower Shutdown Current, 0.02µA (typ) Supply Voltage Operating Range,
0.9VFigure1. Block Diagram
