LM4915
FEATURES
- 2 Pseudo-Differential Amplification
- Internal Gain-Setting Resistors
- Available in Space-Saving WQFN Package
- Ultra Low Current Shutdown Mode
- Can Drive Capacitive Loads up to 500p F
- Improved Pop & Click Circuitry Virtually
Eliminates Noises During Turn-On and Turn Off Transitions
- 2.2
- 5.5V Operation
- No Output Coupling Capacitors, Snubber Networks, Bootstrap Capacitors or Gain Setting Resistors Required
- Ultra Low Noise
KEY SPECIFICATIONS
- Improved PSRR at 217Hz and 1k Hz: 75d B (Typ)
- Power Output at 5.0V & 1% THD into 32Ω:
280m W (Typ)
- Power Output at 3.0V & 1% THD into 32Ω:
90m W (Typ)
- Output Noise, A-weighted: 20μV (Typ)
APPLICATIONS
- Mobile Phones
- PDAs
- Portable Electronics Devices
DESCRIPTION
The LM4915 is a pseudo-differential audio power amplifier primarily designed for demanding applications in mobile phones and other portable audio device applications with mono headphones. It is capable of delivering 90 miliwatts of continuous average power to a...
