SC5399 ECHO SOUND EFFECT PROCESSOR DESCRIPTION SC5399 is an echo audio processor IC utilizing CMOS technology which is equipped with ADC and DAC, high sampling frequency and 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. SC5399 boast of very DIP-16-300-2.54 SOP-16-225-1.27 low distortion (THD<0.5%) and very low noise (N0<-90dBV), thus producing high quality audio output. The pin assignments and application circuit are optimized for easy PCB layout cost saving advantage. SOP-16-300-1.27 SOP-16-375-1.27 FEATURES * CMOS technology * Least external components * Auto reset function ORDERING INFORMATION * Low noise, No<-90dBV typical Part No. * Low distortion, THD<0.5% typical Package * External adjustable VCO SC5399 DIP-16-300-2.54 * Available in 16 pins, DIP or SO package. SC5399S SOP-16-225-1.27 SC5399A SOP-16-300-1.27 SC5399B SOP-16-375-1.27 APPLICATIONS * Video tape recorder * Video compact disk * Television * CD player * Car stereo * KARAOKE mixer * Electronic musical instrument * Audio Equipment with echo processor Http: www.silan.com.cn CC1 VCO CC0 OP1-OUT CLK_O OP1-IN OP2-IN HANGZHOU SILAN MICROELECTRONICS CO.,LTD DGND OP2-OUT LPF2-IN AGND LPF1-OUT LPF2-OUT REF VCC LPF1-IN BLOCK DIAGRAM REV:1.0 2004.08.03 Page 1 of 7 SC5399 ABSOLUTE MAXIMUM RATINGS (Tamb=25°C) Symbol Value Unit Supply Voltage Characteristics VCC 6.5 V Supply Current ICC 100 mA Power Dissipation PD 1.7 W Operation Temperature Topr -20~75 °C Storage Temperature Tstor -25~125 °C ELECTRICAL CHARACTERISTICS Characteristics Symbol Operating Supply Voltage VCC Operating Supply Current ICC Voltage Gain Gv Test Condition Min. Typ. Max. Unit 4.5 5 7.5 V 18 30 mA Load 47K -0.5 2.5 dB Power Supply Rejection Ratio PSRR ∆VCC=0.1VCC F=100Hz -40 -30 dB Output Distortion THD Filter=Audio 0.3 1.0 % LPF1-IN LPF1-OUT LPF2-OUT LPF2-IN OP2-OUT OP2-IN OP1-IN OP1-OUT PIN DIAGRAM 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 VCC REF AGND DGND CLK_O VCO CC1 CC0 SC5399 PIN FUNCTION Pin No. Symbol Description 1 VCC Analog supply voltage 2 REF Analog reference voltage 3 AGND Analog ground 4 DGND Digital ground 5 CLK_O 6 VCO Frequency adjustable pin 7 CC1 Current control 8 CC0 Current control 9 OP1-OUT 10 OP1-IN System clock test pin This pin can be used as modulated integrator This pin can be used as demodulated integrator (To be continued) HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:1.0 2004.08.03 Page 2 of 7 SC5399 (Continued) Pin No. Symbol Description 11 OP2-IN This pin can be used as demodulated integrator 12 OP2-OUT 13 LPF2-IN 14 LPF2-OUT Second low pass filter out pin 15 LPF1-OUT First low pass filter output pin 16 LPF1-IN First low pass filter input pin This pin can be used as modulated integrator Second low pass filter input pin TYPICAL APPLICATION CIRCUIT (Note) 3900pF 15k 4.7µ F Input 100k +5V 16 2 15 4.7µ F 10k 560pF 47µ F 100µ F 0.1µ F 1 3 4.7K 10µ F 10k 5.6K 14 Output 10µ F 10K 50K SC5399 0.01µ F 4 5 20K 13 15K 560pF 10K 12 R 6 11 7 10 3300pF 10K 0.1µ F 0.082µ F AGND DGND 0.1µ F 0.082µ F 8 9 Note: External resistor having a value of 10KΩ~50 KΩ may be used. The recommended resistor value (R) is 10 KΩ. When the value of the resistor (R) increases, the range of the delay time also increases. 5600pF 15k 4.7µ F Input 100k +5V 1 10k 16 560pF 100µ F 0.1µ F 47µ F 2 15 3 15k 2.7K 14 10µ F Output 4 5 SC5399 0.01µ F 13 15K 560pF 10K 12 R 6 11 7 10 5600pF 15K 0.1µ F AGND DGND 0.1µ F 0.1µ F 8 9 0.1µ F Note: Please refer to table1 for the resistor/Delay time value. HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:1.0 2004.08.03 Page 3 of 7 SC5399 Table 1 External resistor /delay time value R 16.17K 12.74K 10.37K 8.71K 7.45K 6.47K 5.72K 5.05K FCK 2M 2.5M 3.0M 3.5M 4.0M 4.5M 5.0M 5.5M TD 340ms 270ms 228ms 196ms 168ms 152ms 140ms 124ms THD 1.0% 0.8% 0.63% 0.53% 0.46% 0.41% 0.36% 0.33% R 4.54K 4.11K 3.7K 3.35K 3.07K 2.82K 2.61K 2.39K FCK 6.0M 6.5M 7.0M 7.5M 8.0M 8.5M 9.0M 9.5M TD 112ms 104ms 98ms 90ms 84ms 80ms 76ms 71ms THD 0.29% 0.27% 0.25% 0.25% 0.23% 0.22% 0.21% 0.20% R 2.19K 1.91K 1.67K 1.42K 1.23K 1.04K 0.85K 0.75K FCK 10M 11M 12M 13M 14M 15M 16M 17M TD 68ms 62ms 55ms 52ms 48ms 46ms 43ms 40ms THD 0.19% 0.18% 0.16% 0.15% 0.15% 0.15% 0.15% 0.14% HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:1.0 2004.08.03 Page 4 of 7 SC5399 PACKAGE OUTLINE SOP-16-225-1.27 UNIT: mm HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn 3.9±0.3 5.72±0.25 UNIT: mm 6.0±0.4 DIP-16-300-2.54 REV:1.0 2004.08.03 Page 5 of 7 SC5399 PACKAGE OUTLINE (Continued) UNIT: mm SOP-16-375-1.27 UNIT: mm 0.20±0.10 2.50±0.20 0.70±0.10 7.50±0.20 10.30±0.20 SOP-16-300-1.27 HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:1.0 2004.08.03 Page 6 of 7 SC5399 HANDLING MOS DEVICES: Electrostatic charges can exist in many things. All of our MOS devices are internally protected against electrostatic discharge but they can be damaged if the following precautions are not taken: • Persons at a work bench should be earthed via a wrist strap. • Equipment cases should be earthed. • All tools used during assembly, including soldering tools and solder baths, must be earthed. • MOS devices should be packed for dispatch in antistatic/conductive containers. HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:1.0 2004.08.03 Page 7 of 7