LM4928
FEATURES
- 23 RF Suppression Circuitry
- Fully Differential Amplification
- Available in Space-Saving DSBGA and WSON
Packages
- Ultra Low Current Shutdown Mode
- Can Drive Capacitive Loads up to 100p F
- 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
- PDAs
- Portable Electronic Devices and Accessories
KEY SPECIFICATIONS
- Improved PSRR at 217Hz, 90d B (Typ)
- Output Power at 5.0V @ 1% THD+N (8Ω),
1.2W (Typ)
- Output Power at 3.0V @ 1% THD+N (8Ω),
400m W (Typ)
- Shutdown Current, 0.1µA (Typ)
DESCRIPTION
The LM4928 is an stereo fully differential stereo audio power amplifier primarily designed for demanding applications in mobile phones and other portable munication devices. It is capable of delivering 1.2 watts of continuous average power to a 8Ω load with less than 1% distortion (THD+N) from a 5VDC power...
