General Description
The MAX9770 combines a mono, filterless, Class D speaker amplifier and stereo DirectDrive headphone amplifiers in a single device. The MAX9770 operates from a single 2.5V to 5.5V supply and includes features that reduce external component count, system cost, board space, and offer improved audio reproduction.

FEATUREs
♦ 1.2W Filterless Class D Amplifier Passes FCC Class B Radiated Emissions Standards with 100mm of Cable
♦ Unique Spread-Spectrum Mode Offers 5dB Emissions Improvement Over Conventional Methods
♦ 80mW DirectDrive Headphone Amplifier Eliminates Bulky DC-Blocking Capacitors
♦ High 80dB PSRR at 217Hz
♦ 85% Efficiency
♦ Low 0.015% THD+N
♦ Industry-Leading Click-and-Pop Suppression
♦ Integrated 3-Way Input Mixer/Multiplexer
♦ Logic-Selectable Gain
♦ Short-Circuit and Thermal Protection
♦ ±8kV ESD-Protected Headphone Outputs
♦ Low-Power Shutdown Mode
♦ Available in Space-Saving, Thermally Efficient Packages
    28-Pin TQFN (5mm x 5mm x 0.8mm)
    28-Pin TSSOP

APPLICATIONs
    Cellular Phones
    PDAs
    Compact Notebooks