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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 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 DIP-16-300-2.54 SOP-16-225-1.27
FEATURES
* CMOS technology * Least external components * Auto reset function * Low noise, No<-90dBV typical * Low distortion, THD<0.5% typical * External adjustable VCO * Available in 16 pins, DIP or SO package.
ORDERING INFORMATION
Part No. SC5399 SC5399S SC5399A SC5399B Package DIP-16-300-2.54 SOP-16-225-1.27 SOP-16-300-1.27 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
BLOCK DIAGRAM
CC0 CLK_O LPF1-IN LPF2-IN OP2-IN LPF1-OUT LPF2-OUT OP2-OUT OP1-IN OP1-OUT CC1 VCO
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
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DGND
AGND
REF
VCC
REV:1.0
2004.08.03 Page 1 of 7
SC5399
ABSOLUTE MAXIMUM RATINGS (Tamb=25C)
Characteristics Supply Voltage Supply Current Power Dissipation Operation Temperature Storage Temperature Symbol VCC ICC PD Topr Tstor Value 6.5 100 1.7 -20~75 -25~125 Unit V mA W C C
ELECTRICAL CHARACTERISTICS
Characteristics Operating Supply Voltage Operating Supply Current Voltage Gain Power Supply Rejection Ratio Output Distortion Symbol VCC ICC Gv PSRR THD Load 47K VCC=0.1VCC F=100Hz Filter=Audio Test Condition Min. 4.5 Typ. 5 18 -0.5 -40 0.3 Max. 7.5 30 2.5 -30 1.0 Unit V mA dB dB %
PIN DIAGRAM
LPF1-OUT LPF2-OUT OP2-OUT OP1-OUT 9 8 CC0 LPF1-IN LPF2-IN
OP2-IN 11 6 VCO
16
15
14
13
12
10
SC5399
1 VCC 2 REF 3 AGND 4 DGND 5 CLK_O 7 CC1
PIN FUNCTION
Pin No. 1 2 3 4 5 6 7 8 9 10 Symbol VCC REF AGND DGND CLK_O VCO CC1 CC0 OP1-OUT OP1-IN Analog supply voltage Analog reference voltage Analog ground Digital ground System clock test pin Frequency adjustable pin Current control Current control This pin can be used as modulated integrator This pin can be used as demodulated integrator (To be continued) Description
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OP1-IN
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2004.08.03 Page 2 of 7
SC5399
(Continued) Pin No. 11 12 13 14 15 16 Symbol OP2-IN OP2-OUT LPF2-IN LPF2-OUT LPF1-OUT LPF1-IN Description This pin can be used as demodulated integrator This pin can be used as modulated integrator Second low pass filter input pin Second low pass filter out pin First low pass filter output pin First low pass filter input pin
TYPICAL APPLICATION CIRCUIT
(Note) 3900pF 15k 4.7 F Input 100k +5V 100 F 47 F 2 3 4 5 20K R 6 7 8 11 0.082 F 0.1 F 10 9 AGND DGND 0.082 F 0.1 F 15 14 5.6K 0.1 F 1 16 10k 560pF 10k 10 F 0.01 F 50K 4.7K 10 F Output 10K 4.7 F
SC5399
13 12
15K 560pF 10K 10K 3300pF
Note: External resistor having a value of 10K~50 K may be used. The recommended resistor value (R) is 10 K. When the value of the resistor (R) increases, the range of the delay time also increases.
5600pF 15k 4.7 F Input 100k +5V 47 F 100 F 0.1 F 2 3 4 5 R 6 7 0.1 F 8 0.1 F 9 11 0.1 F 10 0.1 F AGND DGND 15 14 2.7K 1 16 10k 560pF 15k 10 F 0.01 F Output
SC5399
13 12
15K 560pF 10K 15K 5600pF
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 FCK TD THD R FCK TD THD R FCK TD THD 16.17K 2M 340ms 1.0% 4.54K 6.0M 112ms 0.29% 2.19K 10M 68ms 0.19% 12.74K 2.5M 270ms 0.8% 4.11K 6.5M 104ms 0.27% 1.91K 11M 62ms 0.18% 10.37K 3.0M 228ms 0.63% 3.7K 7.0M 98ms 0.25% 1.67K 12M 55ms 0.16% 8.71K 3.5M 196ms 0.53% 3.35K 7.5M 90ms 0.25% 1.42K 13M 52ms 0.15% 7.45K 4.0M 168ms 0.46% 3.07K 8.0M 84ms 0.23% 1.23K 14M 48ms 0.15% 6.47K 4.5M 152ms 0.41% 2.82K 8.5M 80ms 0.22% 1.04K 15M 46ms 0.15% 5.72K 5.0M 140ms 0.36% 2.61K 9.0M 76ms 0.21% 0.85K 16M 43ms 0.15% 5.05K 5.5M 124ms 0.33% 2.39K 9.5M 71ms 0.20% 0.75K 17M 40ms 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
DIP-16-300-2.54 UNIT: mm
SOP-16-225-1.27
UNIT: mm
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.0
2004.08.03 Page 5 of 7
5.720.25
6.00.4
3.90.3
SC5399
PACKAGE OUTLINE (Continued)
SOP-16-300-1.27 UNIT: mm
SOP-16-375-1.27
UNIT: mm
10.300.20
7.500.20
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
0.200.10
2.500.20
REV:1.0
0.700.10
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

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