General Description
The MAX9775/MAX9776 combine a high-efficiency Class D, stereo/mono audio power amplifier with a mono DirectDrive® receiver amplifier and a stereo DirectDrive headphone amplifier.
FEATUREs
♦ Unique Spread-Spectrum Modulation and Active Emissions Limiting Significantly Reduces EMI
♦ 3D Stereo Enhancement (MAX9775 Only)
♦ Up to 3 Stereo Inputs
♦ 1.5W Stereo Speaker Output (4Ω, VDD = 5V)
♦ 50mW Mono Receiver/Stereo Headphone Outputs (32Ω, VDD = 3.3V)
♦ High PSRR (68dB at 217Hz)
♦ 79% Efficiency (VDD = 3.3V, RL = 8Ω, POUT = 470mW)
♦ I2C Control—Input Configuration, Volume Control, Output Mode
♦ Click-and-Pop Suppression
♦ Low Total Harmonic Distortion (0.03% at 1kHz)
♦ Current-Limit and Thermal Protection
♦ Available in Space-Saving, 36-Bump WLP (3mm x 3mm) and 32-Pin TQFN (5mm x 5mm) Packages
APPLICATIONs
Cell Phones
Portable Multimedia Players
Handheld Gaming Consoles