S1A0211X01-I0U0 [SAMSUNG]
DUAL LOW NOISE EQ AMP; 双路低噪声均衡放大器
| 型号： | S1A0211X01-I0U0 |
| 厂家： | 
SAMSUNG |
| 描述： | DUAL LOW NOISE EQ AMP |
| 文件： | 总6页 (文件大小：76K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
DUAL LOW NOISE EQ AMP
INTRODUCTION
S1A0211X01
8- SlP
The S1A0211X01 is a monolithic integrated circuit consisting of
a 2-channel pre-amplifier in an 8-pin plastic single in-line pack-
age.
FEATURES
•
Recommended operating supply voltage range:
= 5V to 14V
V
CC
•
•
•
Low noise (V = 1.0mV: Typ)
NI
High channel separation
Minimum number of external parts required
ORDERING INFORMATION
Device
package
8- SlP
Operating Temperature
S1A0211X01-I0U0
- 20°C — +70°C
BLOCK DIAGRAM
+
+
AMP1
AMP2
2
3
1
6
7
5
8
4
INPUT1
V
INPUT2
NF1 OUTPUT1
GND OUTPUT2 NF2
CC
1
S1A0211X01
DUAL LOW NOISE EQ AMP
ABSOLUTE MAXIMUM RATINGS (Ta = 25°C)
Characteristic
Supply Voltage
Symbol
Value
Unit
V
V
18
CC
Power Dissipation
P
200
mW
°C
D
Operating Temperature
Storage Temperature
T
- 20 – + 70
- 40 – + 125
OPR
T
°C
STG
ELECTRICAL CHARACTERISTICS
(Ta=25°C, V = 9V, R = 10kW, R = 600W, f = 1kHz, NAB, unless otherwise specified)
CC
L
G
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
Quiescent Circuit Current
I
V = 0
-
4.0
6.0
mA
CCQ
I
Open Loop Voltage Gain
Closed Loop Voltage Gain
G
G
-
65
30
80
35
-
dB
dB
VO
V = 0.5V
37
VC
O
Output Voltage
V
THD = 1%
1.1
1.3
0.1
-
V
O
Total Harmonic Distortion
THD
V = 0.5V
-
0.3
%
O
Input Resistance
R
-
70
-
100
1.0
65
-
kW
mV
dB
I
R = 2.2kW
G
Equivalent Input Noise Voltage
Cross Talk
V
2.0
-
NI
BW (- 3dB) = 15Hz - 30kHz
R = 2.2kW
CT
50
G
2
DUAL LOW NOISE EQ AMP
TEST CIRCUIT
S1A0211X01
V
CC
Icc
47mF
100
0.033mF
47mF
2.7K
4
100K
3
2
10mF
+
10mF
+
1
8
OUTPUT1
OUTPUT2
INPUT1
10K
10K
S1A0211X01
10mF
+
10mF
+
INPUT2
6
7
0.033mF
5
2.7K
100K
47mF
100
3
S1A0211X01
DUAL LOW NOISE EQ AMP
APPLICATION INFORMATION
External Components
C (C ): Input coupling capacitor
2
9
These components are concerned with the output noise and operation starting time. Its capacitance is ade-
quate for 10mF.
As C2 (C9) below 4.7mF extends the operation starting time, a capacitance of over 4.8mF is recommended.
C (C ): Negative feedback capacitor
3
8
These components decide the low cut-off frequency, which is determined as follows:
1
C (C ) =
3
8
2pf · R (R )
where, f : low cut-off frequency.
L
2
7
L
A large C (C ) makes the operation starting time of an amplifier late. Its capacitance is adequate for 47 F.
3
8
C , R , R (C , R , R ): Equalizer network
4
3
2
7
4
5
These components decide the frequency response of an equalizer amplifier. The time constant of standard
NAB characteristic is as follows:
Tape Speed
9.5 cm/sec
4.75 cm/sec
Time Constant
C (R + R )
3,180 msec
90 msec
1,590 msec
120 msec
4
2
3
C , R
4
2
C
Filter capacitor of the power line
11
This should be located as close to the supply voltage pin (Pin 4) as possible. The recommended value is 47mF.
C (C ): Protection capacitor
1
10
These components protect against wave damage of strong electric fields. They also protect against engine
noise damage and block oscillation during high amplifying operations.
C (C ): Output coupling capacitor
5
6
The recommended value is 10mF.
4
DUAL LOW NOISE EQ AMP
APPLICATION CIRCUIT
S1A0211X01
V
CC
1kW
C
11
47mF
R
1
100
C
4
47mF
0.033mF
C
3
R
2
R
3
2.7K
4
100K
3
2
C
10mF
+
2
CH1
10mF
OUTPUT1
1
8
C
5
+
CH1
10K
10K
INPUT1
1000P
C
S1A0211X01
C
1
9
10mF
10mF
+
CH2
OUTPUT2
+
CH2
6
INPUT2
1000P
C
6
C
10
7
R
0.033mF
5
5
C
2.7K
7
R
7
C
100K
47mF
8
C
100
6
5
S1A0211X01
DUAL LOW NOISE EQ AMP
NOTES
6
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