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
● MP3-Enabled Cellular
● Phones
● MP3 Players