Princeton Technology Corp. Tel: 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw Simple Car Audio Controller PT2317A/B DESCRIPTION PT2317A and PT2317B are four-channel digital audio processors utilizing CMOS Technology specially designed for car audio and hi-fi systems. Volume, Right/Left Balance, Bass, Treble, Fader and Loudness Functions are incorporated into a single chip Selectable gain, direct key mode as well as LED indicator for every function are also provided to build a highly effective electronic audio processor having the highest performance and reliability with the least external components. Pin assignments and application circuit are optimized for easy PCB Layout and cost saving benefits. FEATURES • • • • • • • • • • CMOS Technology Low Power Consumption Least External Components Treble and Bass Control Loudness Function Fader and Balance Function Direct Key Mode LED Display Indicator for every Function Low Total Harmonic Distortion: THD<0.1% 4 Channels in the same chip APPLICATIONS • Car Stereo (Audio) • Hi-Fi Audio System PT2317A/B v1.0 Page 1 Revised August 1998 Princeton Technology Corp. Tel: 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw Simple Car Audio Controller PT2317A/B PIN CONFIGURATION BASS BAL ORDER INFORMATION Valid Part Number PT2317A PT2317B PT2317A-S PT2317B-S PT2317A/B v1.0 Package 28 Pins, DIP (300 mil) 28 Pins, DIP (300 mil) 28 Pins, SO (300 mil) 28 Pins, SO (300 mil) Page 2 Revised August 1998 Princeton Technology Corp. Tel: 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw Simple Car Audio Controller PT2317A/B APPLICATION CIRCUIT NEGATIVE POSITIVE LOUDNESS SELECT PT2317A/B v1.0 Page 3 Revised August 1998