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URL: http://www.princeton.com.tw
4-Channel Audio Processor
PT2313H
DESCRIPTION
PT2313H 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. PT2313H is housed in 28-pin SOP package. The 28-pin version
provides additional Two Band Tone Control and Loudness Function and is pin-to-pin compatible with
TDA7313. 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
• 3 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
APPLICATIONS
• Car stereo (Audio)
• Hi-Fi audio system
• Purchase of I2C component of Princeton Technology Corporation (PTC) conveys a license under
Philips.
*I2C Patent Right to use these components in any I2C System, provided that the system conforms to
the I2C Standard Specification defined by Philips.
PT2313H V1.0
-1-
September, 2006