General Description
The MAX9770 combines a mono, filterless, Class D speaker amplifier and stereo DirectDrive® headphone amplifier 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 Amplifiers Pass FCC Class B Radiated EMI Standards with 100mm of Cable
♦ Spread-Spectrum Mode Offers 5dB EMI Improvement over Conventional Methods
♦ 80mW DirectDrive Headphone Amplifier Eliminates Bulky DC-Blocking Capacitors
♦ High 85dB PSRR at 217Hz
♦ 85% Efficiency
♦ Low 0.015% THD+N
♦ Industry-Leading Click-and-Pop Suppression
♦ Integrated 3-Way Input Mixer/Multiplexer (MAX9770)
♦ Logic-Adjustable Gain
♦ Short-Circuit and Thermal Protection
♦ Available in Space-Saving, Thermally Efficient Packages

APPLICATIONs
    Cellular Phones
    Compact Notebooks
    PDAs