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| Princeton Technology Corp. Tel : 886-2-29162151 Fax : 886-2-29174598 URL:http://www.princeton.com.tw 2-Channel Audio Processor IC Description PT2315 PT2315 is a two-channel digital audio processor utilizing CMOS Technology. Volume, Bass, Treble and Balance Controls are incorporated into a single chip. Loudness Function is also provided to build a highly effective electronic audio processor having the highest performance and reliability with the least external components. All functions are programmable using the I2C Bus. The pin assignments and application circuit are optimized for easy PCB layout and cost saving advantage for audio application. Housed in a 20-pin DIP/SO Package, PT2315 is pin-to-pin compatible with TDA7315 and is very similar in performance with the later. Features ! ! ! ! ! ! ! ! ! ! ! ! CMOS Technology Least External Components Treble and Bass Control Loudness Function Input/Output for External Noise Reduction System/Equalizer 2 Independent Speaker Controls for Balance Function 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 TDA7315 Applications !"""""Car Stereo (Audio) ! Hi-Fi Audio System ! Can be used in all I2C System Applications 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 1 Princeton Technology Corp. Tel : 886-2-29162151 Fax : 886-2-29174598 URL:http://www.princeton.com.tw 2-Channel Audio Processor IC Pin Configuration REF VDD AGND TR EB_L TR EB_R R IN LO UD _R NC LO UD _L NC 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 CLK D ATA DGND LOUT ROUT B O U T_R B IN _ R B O U T_L B IN _ L L IN PT2315 PT2315 Order Information Valid Part Number PT2315-D PT2315 Package Type 20 Pins, DIP (300 mil) 20 Pins, SO (300 mil) 2 Princeton Technology Corp. Tel : 886-2-29162151 Fax : 886-2-29174598 URL:http://www.princeton.com.tw 2-Channel Audio Processor IC Application Circuit R2 5.6K C4 10 0n C 10 2.7n PT2315 M CU C6 10 0n C7 10 0n 18 C 2 2 .2 u 19 20 9 LO U D _L 13 BO U T _L 12 BIN _ L 4 T R EB _L 10 u C 12 17 D G N D D ATA C L K + A M /F M Tu ner 11 R IN 6 C 1 2.2u L IN LOU T + PT2315 ROUT 16 + + 10 u C 13 VDD 2 AGND 3 R EF 1 LOUD_R 7 B O U T _R 15 B IN _R 14 T RE B_ R 5 + VDD 22 u C3 10 0n C5 10 0n C8 10 0n C9 2.7n C 11 5.6K R1 3 |
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