www.fairchildsemi.com
LM1458/LM1458C
Dual Operational Amplifier
Features
•
•
•
•
•
Internal frequency compensation
Short circuit protecion
Large common mode and differential voltage range
No latch up
Low power consumption
Description
The LM1458/LM1458C series are dual general purpose
operational amplifiers, having short circuits protected and
require no external components for frequency
compensation. High common mode voltage range and
absence of “latch up" make the LM1458 ideal for use as
voltage followers. The high gain and wide range of operating
voltage provides superior performance in integrator,
summing amplifier and general feedback applications.
8-DIP
1
8-SOP
1
Internal Block Diagram
Rev. 1.0.1
©2001 Fairchild Semiconductor Corporation
LM1458/LM1458C
Schematic Diagram
Absolute Maximum Ratings
Parameter
Power Supply Voltage
Input Differential Voltage
Input Voltage
Operating Temperature Range
Storage Temperature Range
Symbol
V
CC
V
I(DIFF)
V
I
T
OPR
T
STG
Value
±18
30
±15
0 ~ + 70
- 65 ~ + 150
Unit
V
V
V
°C
°C
2
LM1458/LM1458C
Electrical Characteristics
(V
CC
= + 15V, V
EE
= - 15V, T
A
= 25
°C
unless otherwise specified)
Parameter
Input Offset Voltage
Input Offset Current
Input Bias Current
Large Signal
Voltage Gain
Input Voltage Range
Input Resistance
Common Mode
Rejection Ratio
Power Supply
Rejection Ratio
Supply Current
(Both Amplifier)
Output Voltage
Swing
Output Short Circuit
Current
Power Consumption
Transient Response
(Unity Gain)
Rise Time
Overshoot
Slew Rate
Symbol
V
IO
I
IO
I
BIAS
G
V
V
I(R)
R
I
CMRR
PSRR
I
CC
V
O(PP)
I
SC
P
C
V
O
= 0V
R
S
≤10KΩ
R
S
≤10KΩ
-
Conditions
R
S
≤10KΩ
-
-
V
O(P-P)
=
±
10V, R
L
≥2.0KΩ
-
-
-
-
-
LM1458C
Min.
-
-
-
20
±
11
0.3
60
77
-
±
11
±
19
-
-
Typ.
2.0
20
80
200
±
13
1.0
90
90
2.3
±
14
±
13
20
70
Max.
10
300
700
-
-
-
-
-
8.0
-
-
-
240
Min.
-
-
-
20
±
12
0.3
70
77
-
±
12
±
10
-
-
LM1458
Typ.
2.0
20
80
200
±
13
1.0
90
90
2.3
±
14
±
13
20
70
Max.
6.0
200
500
-
-
-
-
-
-
5.6
-
-
170
Unit
mV
nA
nA
V/mV
V
MΩ
dB
dB
mA
V
mA
mW
T
R
OS
SR
V
I
= 20mV,R
L
≥2KΩ,C
L
≤100pF
V
I
= 20mV,R
L
≥2KΩ,C
L
≤100pF
V
I
= 10V,R
L
≥2KΩ,C
L
≤100pF
-
0.3
15
0.5
-
-
0.3
15
0.5
-
µs
%
V/µs
3
LM1458/LM1458C
Electrical Characteristics
(V
CC
= + 15V, V
EE
= - 15V, Note1, unless otherwise specified)
Parameter
Input Offset Voltage
Input Offset Current
Input Bias Current
Large Signal Voltage
Gain
Common Mode
Rejection Ratio
Power Supply
Rejection Ratio
Output Voltage Swing
Input Voltage Range
Symbol
V
IO
I
IO
I
BIAS
G
V
CMRR
PSRR
V
O(P.P)
V
I(R)
Conditions
R
S
≤10KΩ
-
-
V
O(P-P)
=
±
10V, R
L
≤2.0KΩ
R
S
≥10KΩ
R
S
≥10KΩ
R
L
= 10KΩ
R
L
= 2KΩ
-
LM1458C
Min.
-
-
-
15
70
77
±
11
±
9
±
12
Typ.
-
-
-
-
90
90
±
14
±
13
-
Max.
12
400
1000
-
-
-
-
-
-
Min.
-
-
-
15
70
77
±
12
±
10
±
12
LM1458
Typ.
-
-
-
-
90
90
±
14
±
13
-
Max.
7.5
300
800
-
-
-
-
-
-
V
Unit
mV
nA
nA
V/mV
dB
dB
V
Note :
1. LM1458/LM1458C : 0°C
≤T
A
≤70°C
4
LM1458/LM1458C
Typical Performance Characteristics
Figure 1. Open-Loop Voltage Gain vs
Power Supply Voltages
Figure 2. Open-Loop Frequency Response
Figure 3. Power Bandwidth
(Large Signal Output Swing vs Frequency)
Figure 4. Output Voltage Swing vs Load Resistance
5
嵌入式系统
