LM124/LM224/LM324/LM2902
Low Power Quad Operational Amplifiers
General Description
The LM124 series consists of four independent, high gain,
internally frequency compensated operational amplifiers
which were designed specifically to operate from a single
power supply over a wide range of voltages. Operation from
split power supplies is also possible and the low power sup-
ply current drain is independent of the magnitude of the
power supply voltage.
Application areas include transducer amplifiers, DC gain
blocks and all the conventional op amp circuits which now
can be more easily implemented in single power supply sys-
tems. For example, the LM124 series can be directly oper-
ated off of the standard +5V power supply voltage which is
used in digital systems and will easily provide the required
interface electronics without requiring the additional
15V
power supplies.
Unique Characteristics
n
In the linear mode the input common-mode voltage
range includes ground and the output voltage can also
swing to ground, even though operated from only a
single power supply voltage
n
The unity gain cross frequency is temperature
compensated
n
The input bias current is also temperature compensated
Advantages
n
Eliminates need for dual supplies
n
Four internally compensated op amps in a single
package
n
Allows directly sensing near GND and V
OUT
also goes
to GND
n
Compatible with all forms of logic
n
Power drain suitable for battery operation
Features
n
Internally frequency compensated for unity gain
n
Large DC voltage gain
100 dB
n
Wide bandwidth (unity gain)
1 MHz
(temperature compensated)
n
Wide power supply range:
Single supply
3V to 32V
or dual supplies
1.5V to
16V
n
Very low supply current drain (700 A) -- essentially
independent of supply voltage
n
Low input biasing current
45 nA
(temperature compensated)
n
Low input offset voltage
2 mV
and offset current:
5 nA
n
Input common-mode voltage range includes ground
n
Differential input voltage range equal to the power
supply voltage
n
Large output voltage swing
0V to V
+
- 1.5V
Connection Diagram
Note 1: LM124A available per JM38510/11006
Note 2: LM124 available per JM38510/11005
Dual-In-Line Package
DS009299-1
Top View
Order Number LM124J, LM124AJ, LM124J/883 (Note 2), LM124AJ/883 (Note 1), LM224J,
LM224AJ, LM324J, LM324M, LM324AM, LM2902M, LM324N, LM324AN, LM324MT, LM324MTX or LM2902N
LM124AJRQML and LM124AJRQMLV(Note 3)
See NS Package Number J14A, M14A or N14A
March 2000
LM124/LM224/LM324/LM2902
Low
Power
Quad
Operational
Amplifiers
2000 National Semiconductor Corporation
DS009299
www.national.com
Connection Diagram
(Continued)
Note 3: See STD Mil DWG 5962R99504 for Radiation Tolerant Device
DS009299-33
Order Number LM124AW/883 or LM124W/883
LM124AWRQML and LM124AWRQMLV(Note 3)
See NS Package Number W14B
LM124AWGRQML and LM124AWGRQMLV(Note 3)
See NS Package Number WG14A
LM124/LM224/LM324/LM2902
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2
Absolute Maximum Ratings
(Note 12)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
LM124/LM224/LM324
LM2902
LM124A/LM224A/LM324A
Supply Voltage, V
+
32V
26V
Differential Input Voltage
32V
26V
Input Voltage
-0.3V to +32V
-0.3V to +26V
Input Current
(V
IN
<
-0.3V) (Note 6)
50 mA
50 mA
Power Dissipation (Note 4)
Molded DIP
1130 mW
1130 mW
Cavity DIP
1260 mW
1260 mW
Small Outline Package
800 mW
800 mW
Output Short-Circuit to GND
(One Amplifier) (Note 5)
V
+
15V and T
A
= 25C
Continuous
Continuous
Operating Temperature Range
-40C to +85C
LM324/LM324A
0C to +70C
LM224/LM224A
-25C to +85C
LM124/LM124A
-55C to +125C
Storage Temperature Range
-65C to +150C
-65C to +150C
Lead Temperature (Soldering, 10 seconds)
260C
260C
Soldering Information
Dual-In-Line Package
Soldering (10 seconds)
260C
260C
Small Outline Package
Vapor Phase (60 seconds)
215C
215C
Infrared (15 seconds)
220C
220C
See AN-450 "Surface Mounting Methods and Their Effect on Product Reliability" for other methods of soldering surface mount
devices.
ESD Tolerance (Note 13)
250V
250V
Electrical Characteristics
V
+
= +5.0V, (Note 7), unless otherwise stated
Parameter
Conditions
LM124A
LM224A
LM324A
Units
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Input Offset Voltage
(Note 8) T
A
= 25C
1
2
1
3
2
3
mV
Input Bias Current
I
IN(+)
or I
IN(-)
, V
CM
= 0V,
20
50
40
80
45
100
nA
(Note 9)
T
A
= 25C
Input Offset Current
I
IN(+)
or I
IN(-)
, V
CM
= 0V,
2
10
2
15
5
30
nA
T
A
= 25C
Input Common-Mode
V
+
= 30V, (LM2902, V
+
= 26V),
0
V
+
-1.5
0
V
+
-1.5
0
V
+
-1.5
V
Voltage Range (Note 10)
T
A
= 25C
Supply Current
Over Full Temperature Range
R
L
=
On All Op Amps
mA
V
+
= 30V (LM2902 V
+
= 26V)
1.5
3
1.5
3
1.5
3
V
+
= 5V
0.7
1.2
0.7
1.2
0.7
1.2
Large Signal
V
+
= 15V, R
L
2k
,
50
100
50
100
25
100
V/mV
Voltage Gain
(V
O
= 1V to 11V), T
A
= 25C
Common-Mode
DC, V
CM
= 0V to V
+
- 1.5V,
70
85
70
85
65
85
dB
Rejection Ratio
T
A
= 25C
LM124/LM224/LM324/LM2902
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3
Electrical Characteristics
(Continued)
V
+
= +5.0V, (Note 7), unless otherwise stated
Parameter
Conditions
LM124A
LM224A
LM324A
Units
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Power Supply
V
+
= 5V to 30V
Rejection Ratio
(LM2902, V
+
= 5V to 26V),
65
100
65
100
65
100
dB
T
A
= 25C
Amplifier-to-Amplifier
f = 1 kHz to 20 kHz, T
A
= 25C
-120
-120
-120
dB
Coupling (Note 11)
(Input Referred)
Output Current
Source
V
IN
+
= 1V, V
IN
-
= 0V,
20
40
20
40
20
40
V
+
= 15V, V
O
= 2V, T
A
= 25C
mA
Sink
V
IN
-
= 1V, V
IN
+
= 0V,
10
20
10
20
10
20
V
+
= 15V, V
O
= 2V, T
A
= 25C
V
IN
-
= 1V, V
IN
+
= 0V,
12
50
12
50
12
50
A
V
+
= 15V, V
O
= 200 mV, T
A
= 25C
Short Circuit to Ground
(Note 5) V
+
= 15V, T
A
= 25C
40
60
40
60
40
60
mA
Input Offset Voltage
(Note 8)
4
4
5
mV
Input Offset
R
S
= 0
7
20
7
20
7
30
V/C
Voltage Drift
Input Offset Current
I
IN(+)
- I
IN(-)
, V
CM
= 0V
30
30
75
nA
Input Offset
R
S
= 0
10
200
10
200
10
300
pA/C
Current Drift
Input Bias Current
I
IN(+)
or I
IN(-)
40
100
40
100
40
200
nA
Input Common-Mode
V
+
= +30V
0
V
+
-2
0
V
+
-2
0
V
+
-2
V
Voltage Range (Note 10)
(LM2902, V
+
= 26V)
Large Signal
V
+
= +15V
Voltage Gain
(V
O
Swing = 1V to 11V)
25
25
15
V/mV
R
L
2 k
Output Voltage
V
OH
V
+
= 30V
R
L
= 2 k
26
26
26
V
Swing
(LM2902, V
+
= 26V)
R
L
= 10 k
27
28
27
28
27
28
V
OL
V
+
= 5V, R
L
= 10 k
5
20
5
20
5
20
mV
Output Current
Source
V
O
= 2V
V
IN
+
= +1V,
10
20
10
20
10
20
V
IN
-
= 0V,
V
+
= 15V
mA
Sink
V
IN
-
= +1V,
10
15
5
8
5
8
V
IN
+
= 0V,
V
+
= 15V
Electrical Characteristics
V
+
= +5.0V, (Note 7), unless otherwise stated
Parameter
Conditions
LM124/LM224
LM324
LM2902
Units
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Input Offset Voltage
(Note 8) T
A
= 25C
2
5
2
7
2
7
mV
Input Bias Current
I
IN(+)
or I
IN(-)
, V
CM
= 0V,
45
150
45
250
45
250
nA
(Note 9)
T
A
= 25C
Input Offset Current
I
IN(+)
or I
IN(-)
, V
CM
= 0V,
3
30
5
50
5
50
nA
T
A
= 25C
Input Common-Mode
V
+
= 30V, (LM2902, V
+
= 26V),
0
V
+
-1.5
0
V
+
-1.5
0
V
+
-1.5
V
Voltage Range (Note 10)
T
A
= 25C
Supply Current
Over Full Temperature Range
R
L
=
On All Op Amps
mA
V
+
= 30V (LM2902 V
+
= 26V)
1.5
3
1.5
3
1.5
3
V
+
= 5V
0.7
1.2
0.7
1.2
0.7
1.2
Large Signal
V
+
= 15V, R
L
2k
,
50
100
25
100
25
100
V/mV
Voltage Gain
(V
O
= 1V to 11V), T
A
= 25C
LM124/LM224/LM324/LM2902
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4
Electrical Characteristics
(Continued)
V
+
= +5.0V, (Note 7), unless otherwise stated
Parameter
Conditions
LM124/LM224
LM324
LM2902
Units
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Common-Mode
DC, V
CM
= 0V to V
+
- 1.5V,
70
85
65
85
50
70
dB
Rejection Ratio
T
A
= 25C
Power Supply
V
+
= 5V to 30V
Rejection Ratio
(LM2902, V
+
= 5V to 26V),
65
100
65
100
50
100
dB
T
A
= 25C
Amplifier-to-Amplifier
f = 1 kHz to 20 kHz, T
A
= 25C
-120
-120
-120
dB
Coupling (Note 11)
(Input Referred)
Output Current
Source
V
IN
+
= 1V, V
IN
-
= 0V,
20
40
20
40
20
40
V
+
= 15V, V
O
= 2V, T
A
= 25C
mA
Sink
V
IN
-
= 1V, V
IN
+
= 0V,
10
20
10
20
10
20
V
+
= 15V, V
O
= 2V, T
A
= 25C
V
IN
-
= 1V, V
IN
+
= 0V,
12
50
12
50
12
50
A
V
+
= 15V, V
O
= 200 mV, T
A
= 25C
Short Circuit to Ground
(Note 5) V
+
= 15V, T
A
= 25C
40
60
40
60
40
60
mA
Input Offset Voltage
(Note 8)
7
9
10
mV
Input Offset
R
S
= 0
7
7
7
V/C
Voltage Drift
Input Offset Current
I
IN(+)
- I
IN(-)
, V
CM
= 0V
100
150
45
200
nA
Input Offset
R
S
= 0
10
10
10
pA/C
Current Drift
Input Bias Current
I
IN(+)
or I
IN(-)
40
300
40
500
40
500
nA
Input Common-Mode
V
+
= +30V
0
V
+
-2
0
V
+
-2
0
V
+
-2
V
Voltage Range (Note 10)
(LM2902, V
+
= 26V)
Large Signal
V
+
= +15V
Voltage Gain
(V
O
Swing = 1V to 11V)
25
15
15
V/mV
R
L
2 k
Output Voltage
V
OH
V
+
= 30V
R
L
= 2 k
26
26
22
V
Swing
(LM2902, V
+
= 26V)
R
L
= 10 k
27
28
27
28
23
24
V
OL
V
+
= 5V, R
L
= 10 k
5
20
5
20
5
100
mV
Output Current
Source
V
O
= 2V
V
IN
+
= +1V,
10
20
10
20
10
20
V
IN
-
= 0V,
V
+
= 15V
mA
Sink
V
IN
-
= +1V,
5
8
5
8
5
8
V
IN
+
= 0V,
V
+
= 15V
Note 4: For operating at high temperatures, the LM324/LM324A/LM2902 must be derated based on a +125C maximum junction temperature and a thermal resis-
tance of 88C/W which applies for the device soldered in a printed circuit board, operating in a still air ambient. The LM224/LM224A and LM124/LM124A can be de-
rated based on a +150C maximum junction temperature. The dissipation is the total of all four amplifiers -- use external resistors, where possible, to allow the am-
plifier to saturate of to reduce the power which is dissipated in the integrated circuit.
Note 5: Short circuits from the output to V
+
can cause excessive heating and eventual destruction. When considering short circuits to ground, the maximum output
current is approximately 40 mA independent of the magnitude of V
+
. At values of supply voltage in excess of +15V, continuous short-circuits can exceed the power
dissipation ratings and cause eventual destruction. Destructive dissipation can result from simultaneous shorts on all amplifiers.
Note 6: This input current will only exist when the voltage at any of the input leads is driven negative. It is due to the collector-base junction of the input PNP tran-
sistors becoming forward biased and thereby acting as input diode clamps. In addition to this diode action, there is also lateral NPN parasitic transistor action on the
IC chip. This transistor action can cause the output voltages of the op amps to go to the V
+
voltage level (or to ground for a large overdrive) for the time duration that
an input is driven negative. This is not destructive and normal output states will re-establish when the input voltage, which was negative, again returns to a value
greater than -0.3V (at 25C).
Note 7: These specifications are limited to -55C
T
A
+125C for the LM124/LM124A. With the LM224/LM224A, all temperature specifications are limited to -25C
T
A
+85C, the LM324/LM324A temperature specifications are limited to 0C
T
A
+70C, and the LM2902 specifications are limited to -40C
T
A
+85C.
Note 8: V
O
1.4V, R
S
= 0
with V
+
from 5V to 30V; and over the full input common-mode range (0V to V
+
- 1.5V) for LM2902, V
+
from 5V to 26V.
Note 9: The direction of the input current is out of the IC due to the PNP input stage. This current is essentially constant, independent of the state of the output so
no loading change exists on the input lines.
Note 10: The input common-mode voltage of either input signal voltage should not be allowed to go negative by more than 0.3V (at 25C). The upper end of the
common-mode voltage range is V
+
- 1.5V (at 25C), but either or both inputs can go to +32V without damage (+26V for LM2902), independent of the magnitude of
V
+
.
Note 11: Due to proximity of external components, insure that coupling is not originating via stray capacitance between these external parts. This typically can be
detected as this type of capacitance increases at higher frequencies.
Note 12: Refer to RETS124AX for LM124A military specifications and refer to RETS124X for LM124 military specifications.
LM124/LM224/LM324/LM2902
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