General Description
The MAX9723 stereo DirectDrive™ headphone amplifier with BassMax and volume control is ideal for portable audio applications where space is at a premium and performance is essential. The MAX9723 operates from a single 1.8V to 3.6V power supply and includes features that reduce external component count, system cost, board space, and improves audio reproduction.

FEATUREs
♦ 62mW, DirectDrive Headphone Amplifier Eliminates Bulky DC-Blocking Capacitors
♦ 1.8V to 3.6V Single-Supply Operation
♦ Integrated 32-Level Volume Control
♦ High 90dB PSRR at 1kHz
♦ Low 0.006% THD+N
♦ Industry-Leading Click-and-Pop Suppression
♦ ±8kV HBM ESD-Protected Headphone Outputs
♦ Short-Circuit and Thermal-Overload Protection
♦ Low-Power Shutdown Mode (5µA)
♦ Software-Enabled Bass Boost (BassMax)
♦ I2C/SMBus-Compatible Interface
♦ Available in Space-Saving, Thermally Efficient Packages:
    16-Bump UCSP (2mm x 2mm x 0.62mm)
    16-Pin Thin QFN (4mm x 4mm x 0.8mm)

APPLICATIONs
    PDA Audio
    Portable CD Players
    Mini Disc Players
    Automotive Multimedia
    MP3-Enabled Cellular
    Phones
    MP3 Players