PT2318 查看數據表（PDF） - Princeton Technology

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PT2318

Sound Fader Controller IC

Princeton Technology 

Tel: 886-2-66296288

Fax: 886-2-29174598

URL: http://www.princeton.com.tw

Sound Fader Controller IC

PT2318

DESCRIPTION

PT2318 is a sound fader controller IC utilizing CMOS Technology specially designed for car radio hi-fi

audio applications. Four selectable stereo inputs, 1 mono input, bass, treble, volume, balance and

fader controls, mute function and a special loudness feature which is automatically controlled in

combination with the volume level setting are all built into a single I2C bus controlled stereo

preamplifier chip having the highest performance and reliability. Pin assignments and application

circuits are optimized for easy PCB layout and cost saving advantages.

FEATURES

• CMOS technology

• I2C bus control interface

• 4 selectable stereo inputs

• 1 mono input

• Volume, Balance and Fader controls

• Bass & Treble controls

• Noise reduction circuit interface provided

• External equalizer interface provided

• Mute control at audio signal zero crossing

• Internal power-on reset function

• Mute function controlled via the I2C bus or pin

• Special automatic loudness feature in combination with the volume setting

APPLICATIONS

• Car audio

• Hi-Fi audio applications

PT2318 V1.2

-1-

March, 2006

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