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Princeton Technology Corp. Echo Processor IC Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2399 DESCRIPTION PT2399 is an echo audio processor IC utilizing CMOS Technology which is equipped with ADC and DAC, high sampling frequency and an internal memory of 44K Digital processing is used to generate the delay time, it also features an internal VCO circuit in the system clock, thereby, making the frequency easily adjustable. PT2399 boast of very low distortion (THD<0.5%) and very low noise (No<-90dBV), thus producing high quality audio output. The pin assignments and application circuit are optimized for easy PCB layout and cost saving advantage. FEATURES I CMOS Technology I Least External Components I Auto Reset Function I Low Noise, No<-90dBV Typical I Low Distortion, THD<0.5% Typical I External Adjustable VCO I Available in 16 pins, DIP or SO package APPLICATIONS I Video Tape Recorder I Video Compact Disk I Television I CD Player I Car Stereo I KARAOKE Mixer I Electronic Musical Instrument I Audio Equipment with Echo Processor PT2399 v1.2 1 Updated September 2000 Princeton Technology Corp. Echo Processor IC Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2399 PIN CONFIGURATION VCC REF AGND DGND CLK_O VCO CC1 CC0 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 LPF1-IN LPF1-OUT LPF2-OUT LPF2-IN OP2-0UT OP2-IN OP1-IN OP1-OUT PT2399 ORDER INFORMATION Part Number PT2399 PT2399S Package 16 Pins, DIP Package (300 mil) 16 Pins, SO Package (300 mil) PT2399 v1.2 2 Updated September 2000 Princeton Technology Corp. Echo Processor IC Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2399 PT2399 ECHO APPLICATION CIRCUIT 3900pF 15K 4.7uF Input 100K + +5V 0.1uF + 100uF 47uF + 20K R 0.1uF 0.1uF 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 10K 4.7uF 4.7K 10uF 50K 15K 18K + 560pF + 5.6K + 0.01uF 10K 10uF Output 560pF 0.082uF 0.082uF 10K 3300pF 10K AGND DGND PT2399 Note: External Resistor having a value of 10 K Ohms to 50 K Ohms may be used. The recommended Resistor Value ( R ) is 10 K Ohms. When the value of the Resistor ( R ) increases, the range of the Delay Time also increases. PT2399 v1.2 3 Updated September 2000 Princeton Technology Corp. Echo Processor IC Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2399 PT2399 SURROUND/DELAY APPLICATION CIRCUIT 5600pF 15K 4.7uF Input 100K +5V 0.1uF 100uF 47uF R 0.1uF 0.1uF 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 10K 560pF 15K 2. 7K 10uF 0.01uF 15K 560pF 10K O utput 5600pF 0.1uF 0.1uF 15K AG ND DG ND PT2399 Note: Please refer to Table 1 for the Resistor/Delay Time values PT2399 v1.2 4 Updated September 2000 Princeton Technology Corp. Echo Processor IC Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2399 TABLE 1: RESISTOR/DELAY TIME VALUES R fck td THD 27.6K 2.0M 342ms 1.0% 21.3K 2.5M 273ms 0.8% 17.2K 3.0M 228ms 0.63% 14 . 3 K 3.5M 196ms 0.53% 12.1K 4.0M 171ms 0.46% 10.5K 4.5M 151ms 0 . 4 1% 9.2K 5.0M 136.6ms 0.36% 8.2K 5.5M 124.1ms 0.33% R fck td THD 7.2K 6.0M 113.7ms 0.29% 6.4K 6.5M 104.3ms 0.27% 5.8K 7.0M 97.1ms 0.25% 5.4K 7.5M 92.2ms 0.25% 4.9K 8.0M 86.3ms 0.23% 4.5K 8.5M 81ms 0.22% 4K 9.0M 75.9ms 0.21% 3.4K 10 M 68.1ms 0.19% R fck td THD 2.8K 11M 61.6ms 0.18% 2.4K 12M 56.6ms 0.16% 2K 13M 52.3ms 0.15% 1. 6 7 K 14M 48.1ms 0.15% 1. 4 7 K 15M 45.8ms 0.15% 1.28K 16M 43ms 0.15% 1.08K 17M 40.6ms 0.14% 894 18 M 38.5ms 0.14% R fck td THD 723 19M 36.6ms 0.14% 519 20M 34.4ms 0.13% 288 21M 32.6ms 0.13% 0.5 22M 31.3ms 0.13% Note: R = External Resistor (Ohms), please refer to PT2399 Surround/Delay Time Application Circuit fck = Clock Frequency (Hz) td = Delay Time THD = Total Harmonic Distortion PT2399 v1.2 5 Updated September 2000 |
Price & Availability of PT2399
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