Description
LM4802B, LM4802BLQBD www.ti.com SNAS243C * MAY 2004 * REVISED MARCH 2005 LM4802B Boomer™ Audio Power Amplifier Series Audio Power A.
The LM4802B integrates a Boost Converter with an Audio Power Amplifier to drive Ceramic Speakers in portable applications.
Features
* 1
* 23 Pop & Click Circuitry Eliminates Noise During Turn-On and Turn-Off Transitions
* Low, 2μA (Max) Shutdown Current
* Low, 12mA (Typ) Quiescent Current
* 12Vp-p Mono BTL Output, Load = 2μF + 30Ω,
VDD = 3V
* Short Circuit Protection
* Unity-Gain Stab
Applications
* Cellphone
* PDA
KEY SPECIFICATIONS
* Quiescent Power Supply Current, 12mA (Typ)
* BTL Voltage Swing
(2μF + 30Ω load, 1% THD+N, VDD = 3V), 12Vp-p (typ)