PT2313L_音频三选一、四声道输出

PT2313L is a four-channel digital control audio processor utilizing CMOS Technology. Volume, Bass, Treble and Balance, Front/Rear Fader Processor are incorporated into a single chip. Loudness Function and Selectable Input Gain are also provided to build a highly effective electronic audio processor having the highest performance and reliability with the least external components. All functions are programmable using the I2C Bus. The pin assignments and application circuit are optimized for easy PCB layout and cost saving advantage for audio application. Housed in a 28-pin DIP/SO Package,

PT2313L is pin-to-pin compatible with TDA7313 and is very similar in performance with the later. 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 1.25 dB/step

!Low Distortion

!Low Noise and DC Stepping

!Controlled by I2C Bus Micro-Processor Interface

!Pin-to-pin Compatible with TDA7313

Applications

!Car Stereo (Audio)

!Hi-Fi Audio System

Note: 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 Philips4-Channel Audio Processor IC PT2313L Pin Configuration

PT2313L

Application Circuit

2. Resistor ( R ) Recommended Value = 2.4 K Ohms4-Channel Audio Processor IC PT2313L Order Information

Valid Part Number Package Type

PT2313L-D28 Pins, DIP (300 mil)

PT2313L28 Pins, SO (300 mil)