GENERAL DESCRIPTION
PA4201 (PUNK) is a low power (ICC< 1μA) monolithic CMOS mixed signal device.
PUNK’s primary function is to control power supply transition noise in audio circuits and systems.
PUNK boasts several features that make it a “one of a kind” product on the market. Most prominent is the feature that allows the designer to implement SOFTMUTE on an audio line during normal operation. PUNK is an exceptional product for multi-channel devices as it is capable of expanding the SOFTMUTE operation into systems such as Dolby®5.1, DTS™.

FEATURES
• Extremely Low supply current (<1μA).
• >45dB mute attenuation.
• Shunt operation.
• SOFTMUTE during normal operation.
• Built-in expansion capability, SOFTMUTE out for
   driving additional channels.
• Instantaneous. Power-up and Power-down muting.
• ESD protected outputs.
• 1.5V to 2.7V supply operation.
• Compact 2 x 2 x 0.6mm 8 lead DFN.

APPLICATIONS
• Cell phones
• PDA’s
• Portable DVD players
• Portable MP3 players
• Notebook Audio
• Set-top boxes
• Digital Video Recorders
• LCD TVs
• Home Theater systems