Princeton Technology Corp.
4-Channel Audio Processor
Description
Tel : 886-2-29162151
Fax: 886-2-29174598
URL:
http://www.princeton.com.tw
PT2312
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 I
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C 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
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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 1.25 dB/step
Low Distortion
Low Noise and DC Stepping
Controlled by I
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C Bus Micro-Processor Interface
Available in 32 pins, SOP Package
Applications
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Car Stereo (Audio)
Hi-Fi Audio System
LCD Monitor
PT2312 v1.0
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Updated September 2001
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