Jiangsu CJ4558CP Dual operatonal amplifier Datasheet

JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO.,LTD.
CJ4558CP--DUAL OPERATONAL AMPLIFIER
1. Overview
The CJ4558CP is a dual operational amplifier designed for use as ripple filter, compensation
amplifier, audio pre-amplifier and linear amplifier in electronic devices. Its features are:
Built-in phase compensation circuit
Low noise: VNI = 2.5uV
Wide bandwidth and high speed, BW = 3MHz
SOP-8
2. Block Diagram and Pin Description
2. 1 Block Diagram
8
7
5
6
A1
BIAS CURRENT
A2
1
2
3
4
2. 2 Pin Description
Pin No.
1
2
3
4
Symbol
OUT 1
IN1IN1+
VEE
Description
Pin No.
Output 1
5
Negative Feedback1
6
Positive Input 1
7
VEE
8
Symbol
IN2+
IN2OUT 2
VCC
Description
Positive Input 2
Negative Input 2
Output 2
VCC
JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO.,LTD.
Add:275 Binjiang Rd.(M),Jiangyin,China
Tel: (0510) 6852812
Page 1 of 6
Fax: (0510) 6858792
CJ4558CP
CHANGJIANG ELEC. CO.
3. Electrical Characteristics
3. 1 Absolute Maximum Ratings
Unless otherwise specified, T amb= 25
Parameter
Symbol
Supply Voltage
VCC/VEE
Input Differential Voltage
VID
Input Common-mode Voltage
VIC
Power Dissipation
PD
Operating Temperature
T amb
Storage Temperature
T stg
Value
18
30
15
500
-30~75
-55~125
Unit
V
V
V
mW
3. 2 Electrical Characteristics
Unless otherwise specified, T amb= 25
Parameter
Symbol
Supply Current
Input Offset Current
Input Bias Current
Input Common-mode
Voltage
ICC/IEE
IIO
IIB
Max. Output Voltage
VOM
Output Shot Current
Output Sink Current
Open Loop Voltage
Gain
Common-mode
Rejection Ratio
Supply Voltage
Rejection Ratio
Input Offset Voltage
IOS
VCC = 15V VEE = -15V
Value
Test Conditions
Min
Typ
4.0
5
60
VIC
RL 10k
RL 2k
Max
6.0
200
500
Unit
Figs
mA
nA
nA
4.5
4.2
4.2
12
14
V
4.3
12
10
14
13
40
40
V
V
mA
mA
4.4
4.4
4.4
4.4
IOsink
VO= 10V
RL 2k
86
100
dB
4.7
CMRR
RS
10k
70
90
dB
4.3
KSVR
RS
10k
30
150
uV/V
4.1
VIO
RS 10k
AV=1
RL 2k
0.5
6
mV
4.1
1.0
V/uS
4.6
3.0
MHz
4.7
2.5
uV
AVO
Slew Rate
SR
Bandwidth
Equivalent Input
Noise Voltage
BW
VNI
RS=1k
f=30Hz~30kHz
4. Test Circuit
Vcc
VIO
1MΩ
10kΩ
10kΩ
A
VIO=VO / 100 (V)
KSVR
KSVR= (VIO1-VIO2) /5 (uV/V)
VIO1 VCC=17.5V VEE= -17.5V
Vo
VEE
V
-
VIO2
Fig 4.1
Page 2 of 6
VCC=12.5V VEE= -12.5V
CJ4558CP
CHANGJIANG ELEC. CO.
Vcc
IIO
IIO=│II (+)-II (-)│
A
I I(+)
I I(-)
A
A
VEE
Fig 4.2
1MΩ
Vcc
10kΩ
A
Vo
10kΩ
1MΩ
V
- V2
VIC
V2 is adjustable voltage
VEE
VO = 1V
KCMR
Differential Voltage Gain to Common-mode
Voltage Gain Ratio
V
-
Fig 4.3
Vcc
Vo
A
S2
S3
V
-
VEE
Ios
Iosink
S1
A
B
RL
Vcc/2
A
-
Fig 4.4
VOM 1+
S1=B
VOM 1S1=A
VOM 2+
S1=B
VOM 2S1=A
Iosink
S1=A
Ios
S1=B
S2 OFF, S3 OFF
S2 OFF, S3 OFF
S2 ON,
S3 OFF
S2 OFF, S3 ON
S2 OFF, S3 ON
S2 OFF,
S3 ON
VC C
Icc
A
-
VC C
Vo
A
A
RL
IEE
A
-
VEE
VEE
Fig 4.5
Fig 4.6
Page 3 of 6
CHANGJIANG ELEC. CO.
CJ4558CP
VC C
2kΩ
C2
R
C1
+
A
Vo
+
AVD=20log(VO/V)
BW is the frequency of VI when VO=VI
C1
VI
2kΩ
R
G
2kΩ
VEE
Fig 4.7
5. Characteristics Curve
Avo-f
120
Open Loop Voltage Gain
Avo(dB)
80
V+ =15V
70
V- =-15V
60
50
40
30
-20
20
0
40 60
80 100
V+=15V
R L=2kΩ
V- =-15V
Tamb=25 ℃
100
80
60
40
20
0
1
10 100 1k 10k 100k 1M 10M
Ambient Temperature Tamb ( ℃)
Frequency f(Hz)
VOM-V+ V15
5
0
-5
-10
-15
6
8
10
12
14
16
18
Supply Voltage V+ V-(±V)
Vo (pp) - RL
28
24
20
V+=15V
V-= -15V
Tamb=25 ℃
16
12
0.1
0.3
1.0
Load Resistance R
3.0
10.0
)
L (kΩ
24
Vo (pp)
Max. Output Peak Voltagae
Vo (pp) - f
10
Power Dissipation P(
D W)
Output Peak Voltage Vo(pp) (V)
Max. Output Voltage V OM
(V)
Input Bias Current I IB(nA)
I IB-Tamb
16
V+=15V
V _= -15V
Tamb=25 ℃
8
0
1
10
100
1k 10k 100k 1M
Frequency f (Hz)
P D
Tamb
500
300
100
0
20
40 60
80 100 120 140
Ambient Temperature Tamb(℃)
Page 4 of 6
CHANGJIANG ELEC. CO.
CJ4558CP
6. Application Circuit
L INPUT
22kΩ
270kΩ
3300pF
0.012μF
2.2kΩ
3.3μF
3
270pF
2
47kΩ
1
1/2
1800pF
4
V- = -
13V
0.01μF
100μF
100μF
0.01μF
270pF
+
V+=13V
560Ω
8
6
R INPUT
1/2
1800pF
2.2kΩ
L OUTPUT
560Ω
+
47kΩ
470Ω
+
7
5
3300pF
0.012μF
22kΩ
270kΩ
Page 5 of 6
R OUTPUT
+
3.3μF
470Ω
CHANGJIANG ELEC. CO.
CJ4558CP
7.Mechanical Dimensions
Package
SOP-8
MIN
#5
6.00 ±0.30
0.236 ±0.012
8°
0~
+0.10
0.15 -0.05
+0.004
0.006 -0.002
MAX0.10
MAX0.004
1.80
MAX
0.071
3.95 ±0.20
0.156 ±0.008
5.72
0.225
0.41 ±0.10
0.016 ±0.004
#4
1.27
0.050
#8
5.13
MAX
0.202
#1
4.92 ±0.20
0.194 ±0.008
(
0.56
)
0.022
1.55 ±0.20
0.061 ±0.008
0.1~0.25
0.004~0.001
0.50 ±0.20
0.020 ±0.008
Page 6 of 6
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