General Description
The MAX4295/MAX4297 mono/stereo, switch-mode (Class-D) audio power amplifiers operate from a single +2.7V to +5.5V supply. They have >85% efficiency and are capable of delivering 2W continuous power to a 4Ω load, making them ideal for portable multimedia and general-purpose high-power audio applications.

Features
♦ +2.7V to +5.5V Single-Supply Operation
♦ 2W/Channel Output Power at 5V 0.7W/Channel Output Power at 3V
♦ 87% Efficiency (RL = 4Ω, PO = 2W, MAX4295)
♦ 0.4% THD+N (RL = 4Ω, fOSC = 125kHz)
♦ Logic-Programmable PWM Frequency Selection (125kHz, 250kHz, 500kHz, 1MHz)
♦ Low-Power Shutdown Mode
♦ Clickless Transitions Into and Out of Shutdown
♦ 1A Current Limit and Thermal Protection
♦ Available in Space-Saving Packages
    16-Pin QSOP (MAX4295)
    24-Pin SSOP (MAX4297)

Applications
    Palmtop/Notebook Computers
    PDA Audio
    Sound Cards
    Game Cards
    Boom Boxes
    AC Amplifiers
    Battery-Powered Speakers
    Cordless Phones
    Portable Equipment