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| Princeton Technology Corp. Digital Echo/Surround Processor IC Tel: 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2396 Description PT2396 is a digital echo/surround processor IC utilizing CMOS Technology. Analog Signal inputted to PT2396 is converted to digital signal by A-D converter and then stored into the internal memory. After a certain delay time, this memory-stored digital signal is converted back into analog signal via the D-A converter. A low cost echo system may be achieved with the PT2396's A-D converter, D-A converter, incorporating ADM (Adaptive Delta Modulation) Algorithm while maintaining lower noise, lower distortion, and higher S/N ratio. PT2396 is functionally compatible with M65831P. If you are replacing M65831P with our PT2396, you must take note that PT2396 does not need to connect an external resistor (30 Ohms) to Pin 15 and Pin 21. Features CMOS Technology Low Power Consumption Low Noise (-92 dBV typical) Low Distortion (0.5% typical) Built-in 48 K Memory Automatic Reset Circuit Included A-D, D-A Converters (Adaptive Delta Modulation), 2 LPFs and 48 K-bit Memory ! Sleep Mode Function ! Parallel or Serial Data controlled from Micro Controller ! ! ! ! ! ! ! Applications ! ! ! ! KARAOKE Electronic Musical Instruments VCD, DVD Radio Set Page 1 Written Nov. 1998 PT2396 v1.2 Princeton Technology Corp. Digital Echo/Surround Processor IC Tel: 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2396 Pin Configuration PT2396 Order Information Valid Part Number PT2396 PT2396-S Package Type 24 Pins, DIP (600 mil) 24 Pins, SO (300 mil) PT2396 v1.2 Page 2 Written Nov. 1998 Princeton Technology Corp. Digital Echo/Surround Processor IC Tel: 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2396 Application Circuits PT2396 Easy Mode Application Circuit +5 V IN + 10 0 + VDD 10 0p 2M H z 10 0p D L 1/R E Q OP1OUT 0.1 O P IN 47 D L 3/D IN D L 4/ID S TEST +5 V E A S Y /M C U S LE E P +5 V S LE E P S W DGND AGND LP F 2IN LP F 2O U T REF CC1 CC2 0.1 O P 2 IN OP2OUT 10 K 56 0p + 1 0.1 + 0.1 30 K 1 N o n-p ola r D L 2/C L K 1M OSCI OSCO LP F 1IN LF P 1O U T VCC 10 K 56 0p 15 K 56 00 p 15 K 0.1 1 S e ttin g D e la y Tim e 15K 15K 56 00 p 3K P T 23 9 6 NO TE: AG ND : DGND : 2.7K OUT 0.01 Note: 1. Every Digital GND must be connected to the Analog GND at one Point 2. When replacing M65831 with PT2396, please take note that PT2396 does not need to connect an external resistor (30 Ohms) to Pin 15 and Pin 21. PT2396 v1.2 Page 3 Written Nov. 1998 Princeton Technology Corp. Digital Echo/Surround Processor IC Tel: 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2396 PT2396 MCU Mode Application Circuit +5V IN + 10 0 + VDD 10 0p 2M H z 10 0p D L 1/R E Q OP1OUT 0.1 O P IN REF CC1 CC2 0.1 E A S Y /M C U SLEEP +5V SLEEP SW DGND AGND LP F 2 IN LP F 2 O U T O P 2 IN OP2OUT 10 K 56 0p + 1 0.1 + 47 0.1 30 K 1 N o n-p ola r D L 2/C L K D L 3/D IN 5V D L 4/ID S TEST 1M OSCI OSCO LP F 1 IN LF P 1 O U T VCC 10 K 56 0p 15 K 56 00 p 15 K 0.1 1 MCU 15K 15K 56 00 p 3K P T 23 9 6 NO TE: AGND : DGND : 2.7K OUT 0.01 Note: 1. Every Digital GND must be connected to the Analog GND at one Point 2. For the DL4/IDs Pin (Pin No. 7), please refer below: IDS Pin 0 1 ID1 0 0 ID2 1 1 ID3 0 0 ID4 0 1 PT2396 v1.2 Page 4 Written Nov. 1998 Princeton Technology Corp. Digital Echo/Surround Processor IC Tel: 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2396 PT2396 Surround Application Circuit +5 V IN + 10 0 + VDD 10 0p 2M H z 10 0p D L 1/R E Q OP1OUT 0.1 O P IN 47 D L 3/D IN +5 V D L 4/ID S TEST E A S Y /M C U S LE E P +5 V S LE E P S W DGND AGND LP F 2IN LP F 2O U T REF CC1 CC2 0.1 O P 2 IN OP2OUT 10 K 56 0p + 1 0.1 + 0.1 1M OSCI OSCO LP F 1IN LF P 1O U T VCC 10 K 56 0p 15 K 56 00 p 15 K 0.1 1 MCU D L 2/C L K 15K 15K 56 00 p P T 23 96 N O TE : A G N D : DGND : 2.7K OUT 0.01 Note: 1. Every Digital GND must be connected to the Analog GND at one Point 2. For the DL4/IDs Pin (Pin No. 7), please refer below: IDS Pin 0 1 ID1 0 0 ID2 1 1 ID3 0 0 ID4 0 1 PT2396 v1.2 Page 5 Written Nov. 1998 |
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