GENERAL DESCRIPTION
The PA4402 provides click-pop suppression for devices that lack a click-less/pop-less startup or shutdown. The PA4402 is placed between the codec and the output coupling capacitor.
The click-pop noise is generated at the coupling capacitors while the system is starting up as well as shutting down. The PA4402 controls the ramping of the DC voltage into the coupling capacitors thus reducing the click-pop noise generated during the startup and shutdown. The start time can be controlled or changed using an external capacitor.

FEATURES
• 12V (typical) operation
• 3V RMS Capability
• Power-Up and Power-Down “POP” suppression
• ESD protected outputs
• Series operation
• Only 1 external capacitor required
• Ron (On resistance): 3.75 ohms
• Ron Flatness: <0.2 ohms
• Total Harmonic Distortion: <1%
• Current drain: <5mA

APPLICATIONS
• Portable DVD players
• Set-top boxes
• Car Audio
• High End Audio
• Televisions
• Stereo Systems
• Digital Video Recorders
• LCD TVs
• Home Theater systems