LM4879, LM4879MMBD, LM4879SDBD
www.ti.com SNAS142G – SEPTEMBER 2001 – REVISED MAY 2013 LM4879 1.1 Watt Audio Power Amplifier
Check for Samples: LM4879, LM4879MMBD, LM4879SDBD FEATURES DESCRIPTION The LM4879 is an audio power amplifier primarily
designed for demanding applications in mobile
phones and other portable communication device
applications. It is capable of delivering 1.1 watt of
continuous average power to an 8Ω BTL load with
less than 1% distortion (THD+N) from a 5VDC power
supply. 1 23 No Output Coupling Capacitors, Snubber
Networks or Bootstrap Capacitors Required
Unity Gain Stable
Ultra Low Current Shutdown Mode
Fast Turn On: 80ms (typ), 110ms (max) with
1.0ВµF Capacitor
BTL Output Can Drive Capacitive Loads up to
100pF
Advanced Pop and Click Circuitry Eliminates
Noises During Turn-On and Turn-Off
Transitions
2.2V -5.0V Operation
Available in Space-Saving DSBGA, WSON, and
VSSOP Packages APPLICATIONS Mobile Phones
PDAs …
