Click to expand full text
LM4992, LM4992SDBD
www.ti.com
SNAS220B – NOVEMBER 2003 – REVISED MAY 2013
LM4992
420mW Stereo Cell Phone Audio Amplifier
Check for Samples: LM4992, LM4992SDBD
FEATURES
1
•2 Available in Space-Saving WSON Package • Ultra Low Current Shutdown Mode • BTL Output Can Drive Capacitive Loads • Improved Click and Pop Circuitry Eliminates
Noise During Turn-On and Turn-Off Transitions • 2.2 - 5.5V Operation • No Output Coupling Capacitors, Snubber Networks or Bootstrap Capacitors Required • Unity-Gain Stable • External Gain Configuration Capability
APPLICATIONS
• Mobile Phones • PDAs • Portable Electronic Devices
KEY SPECIFICATIONS
• Improved PSRR at 217Hz & 1KHz: 64 dB (1KHz)
• Stereo Output Power at 5.0V, 1% THD, 8Ω: 1.07 W (typ)
• Stereo Output Power at 3.
LM4992 Datasheet
