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PT2309 V1.2

- 1 -

August, 2006

Headphone Driver IC

PT2309

DESCRIPTION

The PT2309 is a headphone driver IC, it can working on wide supply range. Utilizing CMOS

Technology, it has very low power consumption is in stand-by mode. Total harmonic distortion is lower

than 0.03% (32Ω load) and the also has low noise output. Built-in mute function can prevents popping

sounds happen when power is turned ON or OFF. It is also has built-in over-temperature protection,

minimum package size for space saving and suitable for small or portable products.

FEATURES

• CMOS Technology

• Stereo Input

• Drive 32Ω impedance load

• Low noise, Low distortion

• Suppress the pop and click noise when mode changed

• Built-in mute function

• Available in 8 Pins, DIP or SOP Package

APPLICATIONS

• Portable VCD/DVD

• CD-ROM

• PDA

• Sound Card