Princeton Technology Corp. 4-Channel Audio Processor Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2313L 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 I2C Bus. PT2313L is housed in 20-pin or 28-pin DIP/SOP Package. The 28pin 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 I2C 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 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 Philips PT2323L v1.7 Page 1 Updated June 2001 Princeton Technology Corp. Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw 4-Channel Audio Processor PT2313L Pin Configurations C LK D A TA DG ND LF O U T R FO U T LR O U T RROUT LO U T L IN L IN 1 REF VDD AG ND R IN RO UT R IN 3 R IN 2 R IN 1 L IN 3 L IN 2 P T 2313L -20 PT2323L v1.7 P T 2313L Page 2 Updated June 2001 Princeton Technology Corp. 4-Channel Audio Processor Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2313L Application Circuit (PT2313L 28-Pin Version) 11 15 10 14 9 13 Notes: 1. The Resistor ( R ) Range = 2.0K Ohms to 3.6 K Ohms. 2. Resistor ( R ) Recommended Value = 2.4 K Ohms PT2323L v1.7 Page 3 Updated June 2001 Princeton Technology Corp. 4-Channel Audio Processor Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2313L Application Circuit (PT2313L 20-Pin Version) Notes: 1. The Resistor ( R ) Range = 2.0K Ohms to 3.6 K Ohms. 2. Resistor ( R ) Recommended Value = 2.4 K Ohms PT2323L v1.7 Page 4 Updated June 2001 Princeton Technology Corp. Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw 4-Channel Audio Processor PT2313L Order Information Valid Part Number PT2313L-D PT2313L PT2313L-20 PT2323L v1.7 Package Type 28 Pins, DIP (300 mil) 28 Pins, SOP (300 mil) 20 Pins, SSOP (150 mil) Page 5 Updated June 2001