Document
LESHAN RADIO COMPANY, LTD.
General Description
The LR358/LR358D consists of two independent,high gain and internally frequency compensated operational amplifiers, it is specifically designed to operate from a single power supply. Operation from split power supply is also possible and the low power supply current drain is independent of the magnitude of the power supply voltages.
Package
. Package of LR358 is DIP-8 . Package of LR358D is SOP-8
Features
g Internally Frequency Compensation g Large Voltage Gain g Low Input Bias Current g Low Input Offset Voltage g Large Output Voltage Swing
LR358
DIP-8 SOP-8
Pin Configuration
Package/ Package (DIP-8/SOP-8)
OUTPUT 1 INPUT 1INPUT 1+
GND
18 27 36 45
Vcc OUTPUT 2 INPUT 2INPUT 2+
Figure 1. Pin Configuration of LR358/LR358D (Top View)
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LESHAN RADIO COMPANY, LTD.
LR358
Functional Block Diagram
VCC
INPUTINPUT+
6uA 4uA
100uA
Q2 Q3 Q1 Q4
Q8 Q9
Q5 Q6
Cc Q7
Rsc
Q11 Q10
Q12
50uA
Q13
OUTPUT
Figure 2. Functional Block Diagram of LR358/LR358DEach Amplifier)
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LESHAN RADIO COMPANY, LTD.
LR358
Absolute Maximum Ratings
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3RZHU6XSSO\9ROWDJH32 r16
V
'LIIHUHQWLDO,QSXW9ROWDJH32
V
,QSXW9ROWDJH-0.3~32
V
DIP 3RZHU'LVVLSDWLRQ SOP 2XWSXW6KRUW&LUFXLWWR*URXQG˄V+d15VǃTa=25ć˅
550 530 &RQWLQXRXV
mW
,QSXW&XUUHQW˄VIN<-0.3V˅
50 mA
2SHUDWLQJ7HPSHUDWXUH5DQJH-25~85
ć
6WRUDJH7HPSHUDWXUH5DQJH-65~150
ć
Electrical Characteristics
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7HVW&RQGLWLRQV
9DOXH 0LQ 7\S
,QSXW2IIVHW9ROWDJHTa=25ć
2
,QSXW%LDV&XUUHQWTa=25ćˈIIN(+) IIN˄-˅ˈVCM=0V
45
,QSXW2IIVHW&XUUHQWTa=25ćˈIIN(+) - IIN˄-˅ˈVCM=0V
6XSSO\&XUUHQW
V+=30V
V+=5V
3 1 0.5
/DUJH6LJQDO9ROWDJH*DLQ
V+=15VˈTa=25ćˈRLt2k: 50 100
&RPPRQ0RGH5HMHFWLRQ5DWLR
DCˈTa=25ćˈVCM=0~V+-1.5V 70
3RZHU6XSSO\5HMHFWLRQ5DWLRQ
DCˈTa=25ćˈV+=5~30V
65
2XWSXW&XUUHQW˄6RXUFH V IN(+)=1V,VIN(-)=0V,V+=15V,Vo=2V,Ta=25ć20
85 100 40
2XWSXW&XUUHQW6LQN
VIN(-)=1V,VIN(+)=0V,V+=15V,Vo=2V,Ta=25ć10
VIN(-)=1VˈVIN(+)=0VˈV+=15VˈVo=2V
5
20 8
6KRUW&LUFXLWWR*URXQG
V +=15Vˈ Ta=25ć40
2XWSXW9ROWDJH VOH
6ZLQJ
VOL
V+=30V V+=5VˈRL=10k:
RL=2k: RL=10k:
26 27 28
5
0D[ 5 150
8QLW
mV nA
30 nA
2 mA
1.2
V/mV dB
dB mA
mA mA
60 mA V V
20 mV
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Typical Performance Characteristics
Input Voltage (±VDC)
8
7
6
NEGATIVE
5
4
POSITIVE
3
2
1
0 0246
Power Supply Voltage (±VDC)
Figure 3 Input Voltage Range
8
Supply Current Drain (mA)
4.0
3.5
VCC
3.0 mA A ID
2.5
2.0
1.5
1.0 T :0oC TO 85oC A
0.5
0.0 0 2 4 6 8 10 12 14 16 18 20
Power Supply Voltage (V)
Figure 5. Supply Current
Voltage Gain (dB)
110 100
90 80 70 60 50 40 30 20 VIN 10
0 1HZ
V : 10V TO 15V T : -40oC TO 85oC CC DC A
R 10M
0.1uF VCC/2
VCC
VO
10HZ
100HZ
.