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SC9235S 반도체 회로 부품 판매점

2-CH ELECTRONIC VOLUME CONTROLLER



Silan Semiconductors 로고
Silan Semiconductors
SC9235S 데이터시트, 핀배열, 회로
SC9235
2-CH ELECTRONIC VOLUME CONTROLLER WITH LOUDNESS CONTROL
DESCRIPTION
The SC9235 is an optimum CMOS IC which has been designed for
electronization of volume control of audio equipment, etc.
FEATURES
* Attenuation can be controlled from 0dB to -78dB by up, down
input.
* This IC have 20dB tap for loudness circuit.
* This IC features a built-in DC output circuit (7 level) for volume
level meter.
* Polysilicon resistors enables low-distortion, high-performance
volume systems.
* Volume level remains in backup mode with low current
consumption.
* Package is DIP16 and SOP16.
ORDERING INFORMATION
Part No.
SC9235
SC9235S
SC9235A
Package
DIP-16-300-2.54
SOP-16-225-1.27
SOP-16-375-1.27
BLOCK DIAGRAM
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.1 2005.10.10
Page 1 of 10


SC9235S 데이터시트, 핀배열, 회로
SC9235
ABSOLUTE MAXIMUM RATING (Tamb=25°C)
Characteristics
Supply Voltage
Input Voltage
Power Dissipation
Operating Temperature
Storage Temperature
Symbol
VDD
VIN
PD
Topr
Tstg
Ratings
-0.3 ~15
-0.3V ~ VDD+0.3V
300
-40 ~ +85
-55 ~ +150
Unit
V
V
mW
°C
°C
ELECTRICAL CHARACTERISTICS (Unless otherwise specified, Tamb = 25 , VDD = 9V)
Characteristics
Operating Supply Voltage
Operating Supply Current
Backup Voltage
Backup Current
Input Voltage
"H" Level
"L" Level
Input Current
"H" Level
"L" Level
Pull Up Resistor
Volume Resistor
Analog Switch ON Resistor
Attenuation Error
Balance Between Left And
Right
Total Harmonic Distortion
Maximum Attenuation
Cross Talk
Output Noise Voltage
OSC Frequency
Symbol
Test Conditions
Min.
VDD Tamb=-40 ~ 85°C
4.5
IDD No load,fosc=20Hz
--
VQD
IQD
INH ="L"
2.0
--
VIH
All input pin
VIL
0.7VDD
0
IIH
INH input pin
IIL
VIH=VDD
VIL=0V
RUP UP , DN , INT Input pin
RVR Between INàGND resistor
-1
-1
23
31
RON Analog switch ON resistor
--
ATT --
--
Volume resistor error between left
RVR
and right
--
THD FIN=1kHz
ATTMAX VIN=1Vrms
C.T RL=100k
VN Rg=600
0dB
dB
0dB
--
--
--
--
fOSC Cx=2.2µF, Rx=33k
--
Typ.
9.0
0.3
--
0.01
--
--
--
--
47
44
500
0
0
0.01
100
100
2.0
20
Max.
12
1.0
12
1.0
VDD
0.3VDD
1
1
71
58
800
±2.0
Unit
V
µA
V
µA
V
µA
k
k
dB
±3.0 %
-- %
-- dB
-- dB
-- µVrms
-- Hz
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.1 2005.10.10
Page 2 of 10




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