LM4923, LM4923LQBD
www.ti.com SNAS211E – JULY 2004 – REVISED MAY 2013 LM4923 1.1 Watt Fully Differential Audio Power Amplifier
With Shutdown Select
Check for Samples: LM4923, LM4923LQBD FEATURES DESCRIPTION The LM4923 is a fully differential 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 2 Fully Differential Amplification
Available in Space-saving WQFN Package
Ultra Low Current Shutdown Mode
Can Drive Capacitive Loads up to 100pF
Improved Pop & Click Circuitry Eliminates
Noises During Turn-on and Turn-off
Transitions
2.4 -5.5V Operation
No Output Coupling Capacitors, Snubber
Networks or Bootstrap Capacitors Required APPLICATIONS Mobile Phones …
