DESCRIPTION
PT2312 is a four-channel digital control audio processor utilizing CMOS Technology. Volume, Bass, Balance, Front/Rear Fader Processor, Selectable Input Gain are incorporated into a single chip having the highest performance and reliability with the least external components. All functions are programmable using the I2C Bus. PT2312 is housed in 32-pin, SOP Package. 4 stereo inputs with selectable input gain, 2-band tone control (treble & bass), balance, fader and loudness function are incorporated into a single chip having the highest performance and reliability. Pin assignments and application circuits are optimized for easy PCB layout and cost saving advantages.
FEATURES
• CMOS technology
• Least external components
• Treble and Bass control
• Loudness function
• 4 stereo inputs with selectable input gain
• Input/output for external noise reduction system/equalizer
• 4 independent speaker controls for Fader and Balance
• Independent mute function
• Volume control in 1.25dB/step
• Low distortion
• Low noise and DC stepping
• Controlled by I2C bus micro-processor interface
• Available in 32 pins, SOP package

APPLICATIONS
• Car stereo (Audio)
• Hi-Fi audio system
• LCD monitor