Princeton Technology Corp.
Sound Fader Controller IC
DESCRIPTION
P i mnary
rel i
Tel : 886-2-29162151
Fax: 886-2-29174598
URL:
http://www.princeton.com.tw
PT2318
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 I
2
C 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
鈥?CMOS Technology
鈥?I
2
C Bus Control Interface
鈥?4 Selectable Stereo Inputs
鈥?1 Mono Input
鈥?Volume, Balance and Fader Controls
鈥?Bass & Treble Controls
鈥?Noise Reduction Circuit Interface provided
鈥?External Equalizer Interface provided
鈥?Mute Control at Audio Signal Zero Crossing
鈥?Internal Power-On Reset Function
鈥?Mute Function controlled via the I
2
C Bus or Pin
鈥?Special Automatic Loudness Feature in combination with the Volume Setting
APPLICATIONS
鈥?Car Audio
鈥?Hi-Fi Audio Applications
PT2318 pre 1.0
Page 1
Updated March 2001
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