LM4924
www.ti.com SNAS272B – OCTOBER 2004 – REVISED APRIL 2013 LM4924 Boomer™ Audio Power Amplifier Series 2 Cell Battery, 40mW Per Channel
Output Capacitor-Less (OCL) Stereo Headphone Audio Amplifier
Check for Samples: LM4924 FEATURES DESCRIPTION The LM4924 is a Output Capacitor-Less (OCL) stereo
headphone amplifier, which when connected to a
3.0V supply, delivers 40mW per channel to a 16Ω
load with less than 1% THD+N. 1 23 2-Cell 1.5V to 3.6V Battery Operation
OCL Mode for Stereo Headphone Operation
Unity-Gain Stable
“Click and Pop” Suppression Circuitry for
Shutdown On and Off Transients
Active Low Micropower Shutdown
Thermal Shutdown Protection Circuitry APPLICATIONS Portable Two-Cell Audio Products
Portable Two-Cell Electronic Devices KEY SPECIFICATIONS OCL Output Power
– (RL = 16Ω, VDD = 3.0V, THD+N = 1%),
40mW (Typ)
Micropower Shutdown Current, 0.1ВµA (Typ)
Supply Voltage Operating Range,
1.5V < VDD < 3.6V
PSRR 100Hz, VDD = 3.0V, AV = 2.5, 66dB (Typ) With the LM4924 packaged in the VSSOP and SON
packages, the customer benefits include low profile
and small size. These packages minimizes PCB area
and maximizes output power. …
