Tel:886-2-66296288 Fax:886-2-29174598 URL: http://www.princeton.com.tw 4-Channel Audio Processor PT2313H DESCRIPTION PT2313H 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. PT2313H is housed in 28-pin SOP package. The 28-pin 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 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 1.25dB/step Low distortion Low noise and DC stepping Controlled by I2C bus micro-processor interface APPLICATIONS • Car stereo (Audio) • Hi-Fi audio system • 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. PT2313H V1.0 -1- September, 2006 Tel:886-2-66296288 Fax:886-2-29174598 URL: http://www.princeton.com.tw 4-Channel Audio Processor PT2313H PIN CONFIGURATIONS PT2313H V1.0 -2- September, 2006 Tel:886-2-66296288 Fax:886-2-29174598 URL: http://www.princeton.com.tw 4-Channel Audio Processor PT2313H APPLICATION CIRCUIT R2 5.6K C9 2.2µ MCU 27 26 28 DGND DATA CLK C6 2.2µ R AM/FM Tuner R C11 100n C15 100n C14 100n 17 16 12 19 18 4 LOUT LIN LOUD_L BOUT_L BIN_L TREB_L C18 10µ 11 RIN1 LFOUT 25 15 LIN1 C1 2.2µ RFOUT 24 C5 2.2µ R CD Player R 10 RIN2 C19 10µ C20 10µ PT2313H 14 LIN2 C2 2.2µ C4 2.2µ Tape LROUT 23 R R C3 2.2µ C17 2.7n 9 13 LIN3 VDD 2 VDD RROUT 22 RIN3 C21 10µ AGND REF ROUT RIN LOUD_R BOUT_R 3 1 7 6 8 21 C7 22µ C10 100n C8 2.2µ C12 100n BIN_R TREB_R 5 20 C13 100n C16 2.7n R1 5.6K Note: Resistor (R) Recommended Value=1KΩ PT2313H V1.0 -3- September, 2006 Tel:886-2-66296288 Fax:886-2-29174598 URL: http://www.princeton.com.tw 4-Channel Audio Processor PT2313H ORDER INFORMATION Valid Part Number PT2313H PT2313H V1.0 Package Type 28 Pins, SOP, 300mil -4- Top Code PT2313H September, 2006