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Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales
Office/Distributors for availability and specifications.
Supply Voltage
g
22V
500 mW
Power Dissipation (Note 1)
Differential Input Voltage
g
30V
Input Voltage (Note 2)
g
15V
Output Short-Circuit Duration (Note 3)
Operating Temperature Range:
LM748C
0
§
C to
a
70C
b
65
§
C to
a
150
§
C
Storage Temperature Range
Lead Temperature (Soldering, 10 sec.)
a
300
§
C
Electrical Characteristics
(Note 4)
Parameter
Conditions
Min
Typ
Max
Units
Input Offset Voltage
T
A
e
25
§
C, R
S
s
10 k
X
T
A
e
25
§
C
T
A
e
25
§
C
T
A
e
25
§
C
T
A
e
25
§
C, V
S
e
g
15V
T
A
e
25
§
C, V
S
e
g
15V
V
OUT
e
g
10V, R
L
t
2 k
X
1.0
5.0
mV
Input Offset Current
40
200
nA
Input Bias Current
120
500
nA
Input Resistance
300
800
k
X
Supply Current
1.8
2.8
mA
Large Signal
Voltage Gain
50
160
V/mV
Input Offset Voltage
R
S
s
10 k
X
6.0
mV
Average Temperature
Coefficient of Input
Offset Voltage
R
S
s
50
X
3.0
m
V/
§
C
R
S
s
10 k
X
6.0
m
V/
§
C
Input Offset Current
T
A
e
0
§
C to
a
70
§
C
T
A
e b
55
§
C to
a
125
§
C
T
A
e
0
§
C to
a
70
§
C
T
A
e b
55
§
C to
a
125
§
C
T
A
e a
125
§
C, V
S
e
g
15V
T
A
e b
55
§
C to
a
125
§
C
300
nA
500
nA
Input Bias Current
0.8
m
A
1.5
m
A
Supply Current
1.2
2.25
mA
1.9
3.3
mA
Large Signal
Voltage Gain
V
S
e
g
15V, V
OUT
e
g
10V
R
L
t
2 k
X
25
V/mV
Output Voltage
Swing
V
S
e
g
15V, R
L
e
10 k
X
g
12
g
14
V
V
S
e
g
15V, R
L
e
2 k
X
g
10
g
13
V
Input Voltage Range
V
S
e
g
15V
g
12
V
Common-Mode
Rejection Ratio
R
S
s
10 k
X
70
90
dB
Supply Voltage
Rejection Ratio
R
S
s
10 k
X
77
90
dB
Note 1:
For operating at elevated temperatures, the device must be derated based on a maximum junction to case thermal resistance of 45
§
C per watt, or 150
§
C
per watt junction to ambient. (See Curves).
Note 2:
For supply voltages less than
g
15V, the absolute maximum input voltage is equal to the supply voltage.
Note 3:
Continuous short circuit is allowed for case temperatures to
a
125
§
C and ambient temperatures to
a
70
§
C.
Note 4:
These specifications apply for
g
5V
s
V
S
s
a
15V and 0
§
C
s
T
A
s
a
70
§
C, unless otherwise specified.
2