Princeton Technology Corp.
4-Channel Audio Processor
Description
Tel : 886-2-29162151
Fax: 886-2-29174598
URL:
http://www.princeton.com.tw
PT2313L
PT2313L 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
2
C Bus. PT2313L is housed in 20-pin or 28-pin DIP/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
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CMOS Technology
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Least External Components
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Treble and Bass Control (available only in the 28-pin version)
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Loudness Function (available only in the 28-pin version)
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3 Stereo Inputs with Selectable Input Gain
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Input/Output for External Noise Reduction System/Equalizer
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4 Independent Speaker Controls for Fader and Balance
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Independent Mute Function
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Volume Control in 1.25 dB/step
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Low Distortion
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Low Noise and DC Stepping
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Controlled by I
2
C Bus Micro-Processor Interface
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Pin-to-Pin Compatible with TDA7313 (for 28-pin version)
Applications
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Car Stereo (Audio)
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Hi-Fi Audio System
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LCD Monitor
Note: Purchase of I
2
C Component of Princeton Technology Corporation (PTC) conveys a license under Philips I
2
C Patent Right to use
these components in any I
2
C System, provided that the system conforms to the I
2
C Standard Specification defined by Philips
PT2323L v1.7
Page 1
Updated June 2001
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