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Silan
Semiconductors
3D EFFECT AUDIO PROCESSOR IC
DESCRIPTION
The SC5387 is a 3D Effect Audio Processor IC utilizing CMOS
Technology. It features a specially designed HRTFs filter and
space-enhanced circuit, thereby, guaranteeing excellent audio quality
and performance. Least external components, excellent 3D effect
audio output, built-in LED display driver add to the enhanced quality of
SC5387. Pin assignment and application circuit are optimized for cost
saving advantages and easy PCB layout.
FEATURES
* CMOS Technology
* Low TotalHarmonic Distortion and High S/N Ratio:
THD+N<0.01%, S/N>95dB
* Built-in LED Display Driver
* Least External Components
* Wide Operating Volt ageRange: 5 – 9 V
* 2-Channel Output
APPLICATIONS
* Car Audio
* Mini compo
* Multimedia Audio Components
*HomeStereo
SC5387
SOP -8
DIP -8
ORDERING INFORMATION
SC5387
SC5387S
DIP-8 Packaged
SOP-8 Packaged
PIN CONFIGURATION
V
GND
R
REF
OUT
1
2
3D
3
4
V
CC
8
L
OUT
7
L
IN
6
R
5
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
BLOCK DIAGRAM
3
3D CONTROL
+
-1-1
+
Rev: 1.0 2000.12.31
8
V
CC
3D
76
ROUT
3D
4
LOUT
2
GND
BY-PASS SW1
+
+
HRTFs
HRTFs
3D CONTROL
LIN
+
5
RIN
IN
V
REF
1
1
BY-PASS SW2
1
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Silan
Semiconductors
ABSOLUTE MAXIMUM RATINGS
Parameter Symbol Rating Unit
Supply Voltage Vcc 12 V
Operating Temperature Topr -20 ~ 75 °C
Storage Temperature Tstg -40 ~ 125 °C
Input Voltage Vi -0.3 ~ Vcc+0.3 V
ELECTRICAL CHARACTERISTICS
Parameter Symbol Test conditions Min Typ Max Unit
Supply Voltage Vcc -- 5 9 10.0 V
Supply Current Icc Vcc = 9V, Vi = 0V, By-Pass mode -- 20 -- mA
Maximum Output Voltage V
Output Noise V
Total Harmonic Distortion THD
Input Impedance RINVcc = 9V -- 100 -- kΩ
Output Impedance R
High Level Input Voltage V
Low Level Input Voltage VILVcc = 9V 0.3Vcc -- -- V
Maximum Input Voltage V
OM
NO
OUT
IH
IMAX
(Unless otherwise specified, Vcc=9V, Vi=1Vrms, f=1kHz)
Vcc = 9V 2.5 -- -- Vrm
Vcc = 9V, Vi = 0V,
BW = 20~20kHzA- Weighting
Vcc = 9V, Vi = 0.2Vrms,
BW = 20~20kHz, By-Pass mode
Vcc = 9V -- 40 80 Ω
Vcc = 9V -- -- 0.7Vcc V
Vcc = 9V, By-Pass mode -- -- 2.0 Vrms
PIN DESCRIPTION
Pin
No
1VREF O1/2VCC, Connect a Capacitor to GND
2 GND -- Ground Pin.
3 3D I 3D Effect Control Pin.
4 ROUT O Right Channel Output Pin.
5 RIN I Right Channel Input Pin.
6 LIN I Left Channel Input Pin.
7 LOUT O Left Channel Output Pin.
8VCC -- Positive Power Supply
Symbol I/O Function
SC5387
-- -90 -- dB
-- -- 0.05 %
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0 2000.12.31
2
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Silan
Semiconductors
FUNCTIONAL DESCRIPTION
The 3D effect of SC5387 is controlled by Pin No.3 (3D Pin) via a TACT Swich which is triggered when connected to
V
(“High”). Please refer to the diagram below.
CC
SC5387
POWER ON
BY-PASS
(3D OFF)
TRIGGER ON/OFF
PRESS 3D KEY
CYCLE
3D SURROUND
(ACTIVE)
LED Display Driver
SC5387 has a built–in LED driver which is used to display the 3D activity status. Please refer to the table below.
3D / Surround Effect OFF 3D / Surround Effect ON
LED Display OFF LED Display ON
APPLICATION CIRCUIT
9V
470Ω
LED
47µf
0.1µf
V
1
GND
2
3D
3
R
4
SC5387
REF
V
L
OUT
OUT
CC
L
IN
R
IN
9V
100µf
8
0.1µf
7
6
5
10µf
10µf
10µf
10µf
L
R
L
R
IN
IN
OUT
OUT
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0 2000.12.31
3
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Silan
Semiconductors
PACKAGE OUTLINE
DIP-8-300-2.54 UNIT: mm
2.54
SC5387
0.25
6.40
1.25
9.20
3.40
0.46
7.62
15 degree
5.083.30
SOP-8-225-1.27 UNIT: mm
0.41
6.00
3.95
5.72
1.27
5.13
4.92
1.95
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0 2000.12.31
4
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