
Tel : 886-2-29162151
Fax: 886-2-29174598
URL:
http://www.princeton.com.tw
4-Channel Audio Processor
PT2313L
Princeton Technology Corp.
Description
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
CMOS Technology
Least External Components
Treble and Bass Control (available only in the 28-pin version)
Loudness Function (available only in the 28-pin version)
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 1.25 dB/step
Low Distortion
Low Noise and DC Stepping
Controlled by I
2
C Bus Micro-Processor Interface
Pin-to-Pin Compatible with TDA7313 (for 28-pin version)
Applications
Car Stereo (Audio)
Hi-Fi Audio System
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
C System, provided that the system conforms to the I
C Standard Specification defined by Philips
PT2323L v1.7
Page 1
Updated June 2001