LM4916LD/NOPB

LM4916 www.ti.com LM4916 SNAS179E – MAY 2003 – REVISED MAY 2013 1.5V, Mono 85mW BTL Output, 14mW Stereo Headphone Audio Amplifier Check for Samples: LM4916 FEATURES DESCRIPTION • • • The unity gain stable LM4916 is both a mono differential output (for bridge-tied loads or BTL) audio power amplifier and a Single Ended (SE) stereo headphone amplifier. Operating on a single 1.5V supply, the mono BTL mode delivers 85mW into an 8Ω load at 1% THD+N. In Single Ended stereo headphone mode, the amplifier delivers 14mW per channel into a 16Ω load at 1% THD+N. 1 2 • • • • • Single-Cell 0.9V to 2.5V Battery Operation BTL Mode for Mono Speaker Single-Ended Headphone Operation with Coupling Capacitors Unity-Gain Stable "Click and Pop" Suppression Circuitry Active-Low Micropower Shutdown Low Current, Active-Low Mute Mode Thermal Shutdown Protection Circuitry APPLICATIONS • • Portable One-Cell Audio Products Portable One-Cell Electronic Devices KEY SPECIFICATIONS • • • • • • • Mono-BTL Output Power (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, 0.9V