TI1 LM124AW/883 Lm124aqml lm124qml low power quad operational amplifier Datasheet

LM124AQML
LM124AQML LM124QML Low Power Quad Operational Amplifiers
Literature Number: SNOSAE0J
Low Power Quad Operational Amplifiers
General Description
Advantages
The LM124/124A 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 supply
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 systems.
For example, the LM124/124A can be directly operated off of
the standard +5Vdc power supply voltage which is used in
digital systems and will easily provide the required interface
electronics without requiring the additional +15Vdc power
supplies.
■ Eliminates need for dual supplies
■ Four internally compensated op amps in a single package
■ Allows directly sensing near GND and VOUT also goes to
Unique Characteristics
■ 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
■ The unity gain cross frequency is temperature
compensated
■ The input bias current is also temperature compensated
GND
■ Compatible with all forms of logic
■ Power drain suitable for battery operation
Features
■ Available with Radiation Guarantee
■
■
■
■
■
■
■
■
■
■
100 krad(Si)
— High Dose Rate
100 krad(Si)
— ELDRS Free
Internally frequency compensated for unity gain
Large DC voltage gain 100 dB
Wide bandwidth (unity gain) 1 MHz
(temperature compensated)
Wide power supply range:
Single supply 3V to 32V
or dual supplies ±1.5V to ±16V
Very low supply current drain (700 μA)—essentially
independent of supply voltage
Low input biasing current 45 nA
(temperature compensated)
Low input offset voltage 2 mV
and offset current: 5 nA
Input common-mode voltage range includes ground
Differential input voltage range equal to the power supply
voltage
Large output voltage swing 0V to V+ − 1.5V
Ordering Information
SMD Part Number
NS Package
Number
LM124J/883
7704301CA
J14A
14LD CERDIP
LM124AE/883
77043022A
E20A
20LD LEADLESS CHIP
CARRIER
LM124AJ/883
7704302CA
J14A
14LD CERDIP
W14B
14LD CERPACK
NS Part Number
LM124AW/883
LM124AWG/883
Package Description
7704302XA
WG14A
LM124AJRQMLV (Note 11)
5962R9950401VCA, 100 krad(Si)
J14A
14LD CERDIP
LM124AJRLQMLV (Note 12)
5962R9950402VCA, 100 krad(Si)
J14A
14LD CERDIP
LM124AWGRQMLV (Note 11)
5962R9950401VZA, 100 krad(Si)
WG14A
14LD CERAMIC SOIC
LM124AWGRLQMLV (Note 12)
5962R9950402VZA, 100 krad(Si)
WG14A
14LD CERAMIC SOIC
LM124AWRQMLV (Note 11)
5962R9950401VDA, 100 krad(Si)
W14B
14LD CERPACK
LM124AWRLQMLV (Note 12)
5962R9950402VDA, 100 krad(Si)
W14B
14LD CERPACK
LM124 MDE (Note 12)
5962R9950402V9A, 100 krad(Si)
(Note 1)
Bare Die
LM124 MDR (Note 11)
5962R9950401V9A, 100 krad(Si)
(Note 1)
Bare Die
© 2011 National Semiconductor Corporation
201080
14LD CERAMIC SOIC
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LM124AQML/LM124QML Low Power Quad Operational Amplifiers
October 12, 2010
LM124AQML
LM124QML
LM124AQML/LM124QML
Note 1: FOR ADDITIONAL DIE INFORMATION, PLEASE VISIT THE HI REL WEB SITE AT: www.national.com/analog/space/level_die
Connection Diagrams
Leadless Chip Carrier
20108055
See NS Package Number E20A
Dual-In-Line Package
20108001
Top View
See NS Package Number J14A
20108033
See NS Package Number W14B or WG14A
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2
LM124AQML/LM124QML
Schematic Diagram
(Each Amplifier)
20108002
3
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LM124AQML/LM124QML
Absolute Maximum Ratings (Note 2)
Supply Voltage, V+
Differential Input Voltage
Input Voltage
Input Current
(VIN < −0.3Vdc) (Note 5)
Power Dissipation (Note 3)
CERDIP
CERPACK
LCC
CERAMIC SOIC
Output Short-Circuit to GND
(One Amplifier) (Note 4)
32Vdc or ±16Vdc
32Vdc
−0.3Vdc to +32Vdc
50 mA
1260mW
700mW
1350mW
700mW
V+ ≤ 15Vdc and TA = 25°C
Continuous
−55°C ≤ TA ≤ +125°C
150°C
Operating Temperature Range
Maximum Junction Temperature
Storage Temperature Range
−65°C ≤ TA ≤ +150°C
260°C
Lead Temperature (Soldering, 10 seconds)
Thermal Resistance ThetaJA
103°C/W
CERDIP (Still Air)
(500LF/Min Air flow)
51°C/W
176°C/W
CERPACK (Still Air)
(500LF/Min Air flow)
116°C/W
91°C/W
LCC (Still Air)
(500LF/Min Air flow)
66°C/W
176°C/W
CERAMIC SOIC (Still Air)
(500LF/Min Air flow)
ThetaJC
CERDIP
CERPACK
LCC
CERAMIC SOIC
Package Weight (Typical)
CERDIP
CERPACK
LCC
CERAMIC SOIC
ESD Tolerance (Note 6)
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116°C/W
19°C/W
18°C/W
24°C/W
18°C/W
2200mg
460mg
470mg
410mg
250V
4
LM124AQML/LM124QML
Quality Conformance Inspection
MIL-STD-883, Method 5005 - Group A
Subgroup
Description
1
Static tests at
Temp ( °C)
+25
2
Static tests at
+125
3
Static tests at
-55
4
Dynamic tests at
+25
5
Dynamic tests at
+125
6
Dynamic tests at
-55
7
Functional tests at
+25
8A
Functional tests at
+125
8B
Functional tests at
-55
9
Switching tests at
+25
10
Switching tests at
+125
11
Switching tests at
-55
5
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LM124AQML/LM124QML
LM124/883 Electrical Characteristics
SMD: 77043
DC Parameters
(The following conditions apply to all the following parameters, unless otherwise specified.)
All voltages referenced to device ground.
Symbol
Parameter
Conditions
Notes
Min
V+ = 5V
ICC
Power Supply Current
V+ = 30V
SubGroups
1.2
mA
1, 2, 3
3.0
mA
1
4.0
mA
2, 3
12
uA
1
V+ = 15V, VOUT = 2V,
+VIN = 0mV, -VIN = +65mV
10
mA
1
mA
2, 3
Output Sink Current
ISOURCE
V+ = 15V, VOUT = 2V,
Output Source Current
+VIN = 0mV, -VIN = -65mV
IOS
Short Circuit Current
5
V+ = 5V, VOUT = 0V
V+ = 30V, VCM = 28V
V+ = 5V, VCM = 0V
V+ = 30V, VCM = 28.5V
CMRR
Common Mode
Rejection Ratio
V+ = 30V, VIN = 0V to 28.5V
(Note 14)
+IIB
Input Bias Current
V+ = 5V, VCM = 0V
(Note 13)
IIO
Input Offset Current
V+ = 5V, VCM = 0V
PSRR
Power Supply
Rejection Ratio
V+ = 5V to 30V, VCM = 0V
-20
mA
1
-10
mA
2, 3
mA
1
-60
V+ = 30V, VCM = 0V
Input Offset Voltage
Unit
V+ = 15V, VOUT = 200mV,
+VIN = 0mV, -VIN = +65mV
ISINK
VIO
Max
-5
5
mV
1
-7
7
mV
2, 3
-5
5
mV
1
-7
7
mV
2, 3
-5
5
mV
1
-7
7
mV
2, 3
-5
5
mV
1
dB
1
70
-150
10
nA
1
-300
10
nA
2, 3
-30
30
nA
1
-100
100
nA
2, 3
dB
1
65
(Note 7)
(Note 14)
28.5
V
1
28
V
2, 3
VCM
Common Mode
Voltage Range
V+ = 30V
AVS
Large Signal Gain
V+ = 15V, RL = 2K Ω,
VO = 1V to 11V
50
V/mV
4
25
V/mV
5, 6
VOH
V+ = 30V, RL = 2K Ω
26
V
4, 5, 6
Output Voltage High
V+ = 30V, RL = 10K Ω
27
V
4, 5, 6
40
mV
4, 5, 6
V+ = 30V, RL = 10K Ω
VOL
Output Voltage Low
V+ = 30V, ISINK = 1uA
V+ = 5V, RL= 10K Ω
Channel Separation
1KHz, 20KHz
(Amp to Amp Coupling)
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(Note 9)
(Note 15)
6
80
40
mV
4
100
mV
5, 6
20
mV
4, 5, 6
dB
4
SMD: 77043
DC Parameters
(The following conditions apply to all the following parameters, unless otherwise specified.)
All voltages referenced to device ground.
Symbol
Parameter
Conditions
Notes
Max
Unit
SubGroups
1.2
mA
1, 2, 3
3.0
mA
1
4.0
mA
2, 3
12
uA
1
10
mA
1
mA
2, 3
Min
V+ = 5V
ICC
Power Supply Current
V+ = 30V
V+ = 15V, VOUT = 200mV,
+VIN = 0mV, -VIN = +65mV
ISINK
Output Sink Current
ISOURCE
V+ = 15V, VOUT = 2V,
Output Source Current
+VIN = 0mV, -VIN = -65mV
IOS
Short Circuit Current
V+ = 15V, VOUT = 2V,
+VIN = 0mV, -VIN = +65mV
5
V+ = 5V, VOUT = 0V
Input Offset Voltage
mA
1
mV
1
4
mV
2, 3
V+ = 30V, VCM = 28.5V
-2
2
mV
1
V+ = 30V, VCM = 28V
-4
4
mV
2, 3
-2
2
mV
1
-4
4
mV
2, 3
dB
1
V+ = 30V, VIN = 0V to 28.5V
(Note 14)
±IIB
Input Bias Current
V+ = 5V, VCM = 0V
(Note 13)
IIO
Input Offset Current
V+ = 5V, VCM = 0V
PSRR
Power Supply
Rejection Ratio
V+ = 5V to 30V, VCM = 0V
VCM
Common Mode
Voltage Range
V+ = 30V
(Note 7)
(Note 14)
AVS
Large Signal Gain
V+ = 15V, RL = 2K Ω,
VO = 1V to 11V
(Note 8)
70
-50
10
nA
1
-100
10
nA
2, 3
-10
10
nA
1
-30
30
nA
2, 3
dB
1
65
28.5
V
1
28
V
2, 3
50
V/mV
4
25
V/mV
5, 6
V+ = 30V, RL = 2K Ω
26
V
4, 5, 6
V+ = 30V, RL = 10K Ω
27
V
4, 5, 6
40
mV
4, 5, 6
40
mV
4
100
mV
5, 6
20
mV
4, 5, 6
dB
4
V+ = 30V, RL = 10K Ω
Output Voltage Low
2, 3
2
Common Mode
Rejection Ratio
VOL
mA
-4
CMRR
Output Voltage High
1
-10
-2
V+ = 5V, VCM = 0V
VOH
mA
-60
V+ = 30V, VCM = 0V
VIO
-20
V+ = 30V, ISINK = 1uA
V+ = 5V, RL = 10K Ω
Channel Separation
1KHz, 20KHz
Amp to Amp Coupling
(Note 9)
(Note 15)
7
80
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LM124AQML/LM124QML
LM124A/883 Electrical Characteristics
LM124AQML/LM124QML
LM124A RAD HARD Electrical Characteristics
SMD: 5962R99504
(Note 11, Note 12)
DC Parameters
(The following conditions apply to all the following parameters, unless otherwise specified.)
All voltages referenced to device ground.
Symbol
VIO
IIO
Parameter
Input Offset Voltage
Input Offset Current
Conditions
Notes
Max
UniT
VCC+ = 30V, VCC- = Gnd,
VCM = +15V
-2
2
mV
1
-4
4
mV
2, 3
VCC+ = 2V, VCC- = -28V,
VCM = -13V
-2
2
mV
1
-4
4
mV
2, 3
VCC+ = 5V, VCC- = Gnd,
VCM = +1.4V
-2
2
mV
1
-4
4
mV
2, 3
VCC+ = 2.5V, VCC- = -2.5,
VCM = -1.1V
-2
2
mV
1
-4
4
mV
2, 3
VCC+ = 30V, VCC- = Gnd,
VCM = +15V
-10
10
nA
1, 2
-30
30
nA
3
VCC+ = 2V, VCC- = -28V,
VCM = -13V
-10
10
nA
1, 2
-30
30
nA
3
VCC+ = 5V, VCC- = Gnd,
VCM = +1.4V
-10
10
nA
1, 2
-30
30
nA
3
VCC+ = 2.5V, VCC- = -2.5,
VCM = -1.1V
-10
10
nA
1, 2
-30
30
nA
3
1, 2
VCC+ = 30V, VCC- = Gnd,
VCM = +15V
±IIB
Input Bias Current
VCC+ = 2V, VCC- = -28V,
VCM = -13V
(Note 13)
VCC+ = 5V, VCC- = Gnd,
VCM = +1.4V
VCC+ = 2.5V, VCC- = -2.5,
VCM = -1.1V
VCC- = Gnd, VCM = +1.4V,
+PSRR
Power Supply
Rejection Ratio
CMRR
Common Mode
Rejection Ratio
IOS+
Output Short Circiut
Current
ICC
Power Supply Current VCC+ = 30V, VCC- = Gnd
ΔVIO/ ΔT
Input Offset Voltage
Temperature
Sensitivity
ΔIO/ ΔT
Input Offset Current
Temperature
Sensitivity
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SubGroups
Min
5V ≤ VCC ≤ 30V
(Note 14)
VCC+ = 30V, VCC- = Gnd,
VO = 25V
+25°C ≤ TA ≤ +125°C,
+VCC = 5V, -VCC = 0V,
VCM = +1.4V
-50
+0.1
nA
-100
+0.1
nA
3
-50
+0.1
nA
1, 2
-100
+0.1
nA
3
-50
+0.1
nA
1, 2
-100
+0.1
nA
3
-50
+0.1
nA
1, 2
-100
+0.1
nA
3
-100
100
uV/V
1, 2, 3
76
dB
1, 2, 3
-70
mA
1, 2,3
3
mA
1, 2
4
mA
3
-30
30
uV/ °C
2
-30
30
uV/ °C
3
-400
400
pA/° C
2
-700
700
pA/ °C
3
(Note 10)
-55°C ≤ TA ≤ +25°C, +VCC = 5V,
-VCC = 0V, VCM = +1.4V
+25°C ≤ TA ≤ +125°C,
+VCC = 5V, -VCC = 0V,
VCM = +1.4V
(Note 10)
-55°C ≤ TA ≤ +25°C, +VCC = 5V,
-VCC = 0V, VCM = +1.4V
8
SMD: 5962R99504
(Note 11, Note 12)
AC/DC Parameters
(The following conditions apply to all the following parameters, unless otherwise specified.)
All voltages referenced to device ground.
Symbol
Parameter
Max
UniT
SubG roups
35
mV
4, 5, 6
VCC+ = 30V, VCC- = Gnd,
IOI = 5mA
1.5
V
4, 5, 6
VCC+ = 4.5V, VCC- = Gnd,
IOI = 2uA
0.4
V
4, 5, 6
Conditions
Notes
Min
VCC+ = 30V, VCC- = Gnd,
RL = 10K Ω
VOL
VOH
AVS+
Logical "0" Output
Voltage
Logical "1" Output
Voltage
Voltage Gain
VCC+ = 30V, VCC- = Gnd,
IOH = -10mA
27
V
4, 5, 6
VCC+ = 4.5V, VCC- = Gnd,
IOH = -10mA
2.4
V
4, 5, 6
VCC+ = 30V, VCC- = Gnd,
50
V/mV
4
1V ≤ VO ≤ 26V, RL = 10K Ω
25
V/mV
5, 6
VCC+ = 30V, VCC- = Gnd,
50
V/mV
4
25
V/mV
5, 6
10
V/mV
4, 5, 6
10
V/mV
4, 5, 6
27
V
4, 5, 6
26
V
4, 5, 6
5V ≤ VO ≤ 20V, RL = 2K Ω
VCC+ = 5V, VCC- = Gnd,
AVS
Voltage Gain
1V ≤ VO ≤ 2.5V, RL = 10K Ω
VCC+ = 5V, VCC- = Gnd,
1V ≤ VO ≤ 2.5V, RL = 2K Ω
VCC+ = 30V, VCC- = Gnd,
+VOP
Maximum Output
Voltage Swing
VO = +30V, RL = 10K Ω
VCC+ = 30V, VCC- = Gnd,
VO = +30V, RL = 2K Ω
TR(TR)
Transient Response:
Rise Time
VCC+ = 30V, VCC- = Gnd
1
uS
7, 8A, 8B
TR(OS)
Transient Response:
Overshoot
VCC+ = 30V, VCC- = Gnd
50
%
7, 8A, 8B
Slew Rate: Rise
VCC+ = 30V, VCC- = Gnd
0.1
V/uS
7, 8A, 8B
Slew Rate: Fall
VCC+ = 30V, VCC- = Gnd
0.1
V/uS
7, 8A, 8B
±SR
9
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LM124AQML/LM124QML
LM124A RAD HARD
LM124AQML/LM124QML
LM124A RAD HARD
SMD: 5962R99504
(Note 11, Note 12)
AC Parameters
(The following conditions apply to all the following parameters, unless otherwise specified.)
AC: +VCC = 30V, -VCC = 0V
Symbol
Max
Unit
SubGroups
15
uVrm s
7
50
uVpK
7
80
dB
7
RL = 2K Ω,
VIN = 1V and 16V, A to B
80
dB
7
RL = 2K Ω,
VIN = 1V and 16V, A to C
80
dB
7
RL = 2K Ω,
VIN = 1V and 16V, A to D
80
dB
7
RL = 2K Ω,
VIN = 1V and 16V, B to A
80
dB
7
RL = 2K Ω,
VIN = 1V and 16V, B to C
80
dB
7
80
dB
7
RL = 2K Ω,
VIN = 1V and 16V, C to A
80
dB
7
RL = 2K Ω,
VIN = 1V and 16V, C to B
80
dB
7
RL = 2K Ω,
Vin = 1V and 16V, C to D
80
dB
7
RL = 2K Ω,
VIN = 1V and 16V, D to A
80
dB
7
RL = 2K Ohms,
VIN = 1V and 16V, D to B
80
dB
7
RL = 2K Ω,
Vin = 1V and 16V, D to C
80
dB
7
Parameter
NIBB
Noise Broadband
NIPC
Noise Popcorn
Conditions
Notes
Min
+VCC = 15V, -VCC = -15V,
BW = 10Hz to 5KHz
+VCC = 15V, -VCC = -15V,
RS = 20K Ω,
BW = 10Hz to 5KHz
+VCC = 30V, -VCC = Gnd,
RL = 2K Ω
CS
Channel Separation
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RL = 2K Ω,
VIN = 1V and 16V, B to D
(Note 15)
10
SMD: 5962R99504
(Note 11, Note 12)
(The following conditions apply to all the following parameters, unless otherwise specified.)
DC: "Delta calculations performed on QMLV devices at group B, subgroup 5 only"
Symbol
Parameter
Conditions
Notes
Min
Max
Unit
SubGroups
VIO
Input Offset Voltage
VCC+ = 30V, VCC- = Gnd,
VCM = +15V
-0.5
0.5
mV
1
±IIB
Input Bias Current
VCC+ = 30V, VCC- = Gnd,
VCM = +15V
-10
10
nA
1
LM124A - POST RADIATION LIMITS +25°C
SMD: 5962R99504
(Note 11, Note 12)
(The following conditions apply to all the following parameters, unless otherwise specified.)
All voltages referenced to device ground.
Symbol
Parameter
Min
Max
Unit
SubGroups
-2.5
2.5
mV
1
-2.5
2.5
mV
1
-2.5
2.5
mV
1
VCC+ = 2.5V, VCC- = -2.5,
VCM = -1.1V
-2.5
2.5
mV
1
VCC+ = 30V, VCC- = Gnd,
VCM = +15V
-15
15
nA
1
-15
15
nA
1
-15
15
nA
1
VCC+ = 2.5V, VCC- = -2.5V,
VCM = -1.1V
-15
15
nA
1
VCC+ = 30V, VCC- = Gnd,
VCM = +15V
-75
+0.1
nA
1
-75
+0.1
nA
1
-75
+0.1
nA
1
-75
+0.1
nA
1
40
V/mV
4
40
V/mV
4
Conditions
Notes
VCC+ = 30V, VCC- = Gnd,
VCM = +15V
VIO
IIO
±IIB
Input Offset Voltage
Input Offset Current
Input Bias Current
VCC+ = 2V, VCC- = -28V,
VCM = -13V
(Note 11)
VCC+ = 5V, VCC- = Gnd,
VCM = +1.4V
VCC+ = 2V, VCC- = -28V,
VCM = -13V
(Note 11)
VCC+ = 5V, VCC- = Gnd,
VCM = +1.4V
VCC+ = 2V, VCC- = -28V,
VCM = -13V
(Note 11)
VCC+ = 5V, VCC- = Gnd,
VCM = +1.4V
VCC+ = 2.5V, VCC- = -2.5V,
VCM = -1.1V
VCC+ = 30V, VCC- = Gnd,
AVS+
Voltage Gain
1V ≤ VO ≤ 26V, RL = 10K Ω
(Note 11)
VCC+ = 30V, VCC- = Gnd,
5V ≤ VO ≤ 20V, RL = 2K Ω
11
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LM124AQML/LM124QML
LM124A RAD HARD - DC Drift Values
LM124AQML/LM124QML
Note 2: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is
functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics. The guaranteed
specifications apply only for the test conditions listed. Some performance characteristics may degrade when the device is not operated under the listed test
conditions.
Note 3: The maximum power dissipation must be derated at elevated temperatures and is dictated by TJmax (maximum junction temperature), ThetaJA (package
junction to ambient thermal resistance), and TA (ambient temperature). The maximum allowable power dissipation at any temperature is PDmax = (TJmax - TA)/
ThetaJA or the number given in the Absolute Maximum Ratings, whichever is lower.
Note 4: 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 40mA independent of the magnitude of V+. At values of supply voltage in excess of +15VDC, continuous short-circuits can exceed
the power dissipation ratings and cause eventual destruction. Destructive dissipation can result from simultaneous shorts on all amplifiers.
Note 5: 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
transistors 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 -0.3VDC (at 25°C).
Note 6: Human body model, 1.5 kΩ in series with 100 pF.
Note 7: Guaranteed by VIO tests.
Note 8: Datalog reading in K=V/mV
Note 9: Guaranteed, not tested
Note 10: Calculated parameters
Note 11: Pre and post irradiation limits are identical to those listed under AC and DC electrical characteristics except as listed in the Post Radiation Limits Table.
These parts may be dose rate sensitive in a space environment and demonstrate enhanced low dose rate effect. Radiation end point limits for the noted parameters
are guaranteed only for the conditions as specified in MIL-STD-883, Method 1019
Note 12: Low dose rate testing has been performed on a wafer-by-wafer basis, per test method 1019 condition D of MIL-STD-883, with no enhanced low dose
rate sensitivity (ELDRS) effect.
Note 13: 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 14: The input common-mode voltage of either input signal voltage should not be allowed to go negative by more than 0.3V (at 25°C). The upper end of the
common-mode voltage range is V+ −1.5V (at 25°C), but either or both inputs can go to +32V without damage independent of the magnitude of V+.
Note 15: 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.
Typical Performance Characteristics
Input Voltage Range
Input Current
20108034
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20108035
12
LM124AQML/LM124QML
Supply Current
Voltage Gain
20108036
20108037
Open Loop Frequency
Response
Common Mode Rejection
Ratio
20108038
20108039
Voltage Follower Pulse
Response
Voltage Follower Pulse
Response (Small Signal)
20108041
20108040
13
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LM124AQML/LM124QML
Large Signal Frequency
Response
Output Characteristics
Current Sourcing
20108042
20108043
Output Characteristics
Current Sinking
Current Limiting
20108045
20108044
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14
The LM124 series are op amps which operate with only a
single power supply voltage, have true-differential inputs, and
remain in the linear mode with an input common-mode voltage of 0 VDC. These amplifiers operate over a wide range of
power supply voltage with little change in performance characteristics. At 25°C amplifier operation is possible down to a
minimum supply voltage of 2.3 VDC.
The pinouts of the package have been designed to simplify
PC board layouts. Inverting inputs are adjacent to outputs for
all of the amplifiers and the outputs have also been placed at
the corners of the package (pins 1, 7, 8, and 14).
Precautions should be taken to insure that the power supply
for the integrated circuit never becomes reversed in polarity
or that the unit is not inadvertently installed backwards in a
test socket as an unlimited current surge through the resulting
forward diode within the IC could cause fusing of the internal
conductors and result in a destroyed unit.
Large differential input voltages can be easily accommodated
and, as input differential voltage protection diodes are not
needed, no large input currents result from large differential
input voltages. The differential input voltage may be larger
than V+ without damaging the device. Protection should be
provided to prevent the input voltages from going negative
more than −0.3 VDC (at 25°C). An input clamp diode with a
resistor to the IC input terminal can be used.
To reduce the power supply drain, the amplifiers have a class
A output stage for small signal levels which converts to class
B in a large signal mode. This allows the amplifiers to both
source and sink large output currents. Therefore both NPN
and PNP external current boost transistors can be used to
extend the power capability of the basic amplifiers. The output
voltage needs to raise approximately 1 diode drop above
ground to bias the on-chip vertical PNP transistor for output
current sinking applications.
For ac applications, where the load is capacitively coupled to
the output of the amplifier, a resistor should be used, from the
15
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LM124AQML/LM124QML
output of the amplifier to ground to increase the class A bias
current and prevent crossover distortion.
Where the load is directly coupled, as in dc applications, there
is no crossover distortion.
Capacitive loads which are applied directly to the output of the
amplifier reduce the loop stability margin. Values of 50 pF can
be accommodated using the worst-case non-inverting unity
gain connection. Large closed loop gains or resistive isolation
should be used if larger load capacitance must be driven by
the amplifier.
The bias network of the LM124 establishes a drain current
which is independent of the magnitude of the power supply
voltage over the range of from 3 VDC to 30 VDC.
Output short circuits either to ground or to the positive power
supply should be of short time duration. Units can be destroyed, not as a result of the short circuit current causing
metal fusing, but rather due to the large increase in IC chip
dissipation which will cause eventual failure due to excessive
junction temperatures. Putting direct short-circuits on more
than one amplifier at a time will increase the total IC power
dissipation to destructive levels, if not properly protected with
external dissipation limiting resistors in series with the output
leads of the amplifiers. The larger value of output source current which is available at 25°C provides a larger output current
capability at elevated temperatures (see typical performance
characteristics) than a standard IC op amp.
The circuits presented in the section on typical applications
emphasize operation on only a single power supply voltage.
If complementary power supplies are available, all of the standard op amp circuits can be used. In general, introducing a
pseudo-ground (a bias voltage reference of V+/2) will allow
operation above and below this value in single power supply
systems. Many application circuits are shown which take advantage of the wide input common-mode voltage range which
includes ground. In most cases, input biasing is not required
and input voltages which range to ground can easily be accommodated.
Application Hints
LM124AQML/LM124QML
Typical Single-Supply Applications
(V+ = 5.0 VDC)
Non-Inverting DC Gain (0V Input = 0V Output)
20108005
*R not needed due to temperature independent IIN
DC Summing Amplifier
(VIN'S ≥ 0 VDC and VO ≥ VDC)
Power Amplifier
20108007
20108006
Where: V0 = V1 + V2 − V3 − V4
(V1 + V2) ≥ (V3 + V4) to keep VO > 0 VDC
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V0 = 0 VDC for VIN = 0 VDC
AV = 10
16
LM124AQML/LM124QML
“BI-QUAD” RC Active Bandpass Filter
LED Driver
20108008
20108009
fo = 1 kHz
Q = 50
AV = 100 (40 dB)
Lamp Driver
Fixed Current Sources
20108011
20108010
17
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LM124AQML/LM124QML
Pulse Generator
Current Monitor
20108015
20108012
Squarewave Oscillator
*(Increase R1 for IL small)
Driving TTL
20108013
20108016
Voltage Follower
Pulse Generator
20108014
20108017
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18
LM124AQML/LM124QML
High Compliance Current Sink
20108018
IO = 1 amp/volt VIN
(Increase RE for Io small)
Low Drift Peak Detector
20108019
19
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LM124AQML/LM124QML
Comparator with Hysteresis
Ground Referencing a Differential Input Signal
20108020
20108021
VO = VR
Voltage Controlled Oscillator Circuit
20108022
*Wide control voltage range: 0 VDC ≤ VC ≤ 2 (V+ −1.5 VDC)
Photo Voltaic-Cell Amplifier
20108023
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20
LM124AQML/LM124QML
AC Coupled Inverting Amplifier
20108024
AC Coupled Non-Inverting Amplifier
20108025
21
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LM124AQML/LM124QML
DC Coupled Low-Pass RC Active Filter
20108026
fO = 1 kHz
Q=1
AV = 2
High Input Z, DC Differential Amplifier
20108027
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22
LM124AQML/LM124QML
High Input Z Adjustable-Gain
DC Instrumentation Amplifier
20108028
Using Symmetrical Amplifiers to
Reduce Input Current (General Concept)
Bridge Current Amplifier
20108030
20108029
23
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LM124AQML/LM124QML
Bandpass Active Filter
20108031
fO = 1 kHz
Q = 25
www.national.com
24
Date Released
Revision
Section
Changes
9/2/04
A
New Release, Corporate format
3 MDS data sheets converted into one Corp. data
sheet format. MNLM124-X, Rev. 1A2,
MNLM124A-X, Rev. 1A3 and MRLM124A-X-RH,
Rev. 5A0. MDS data sheets will be archived.
01/27/05
B
Connection Diagrams, Quality
Conformance Inspection Section, and
Physical Dimensions drawings
Added E package Connection Diagram. Changed
verbiage under Quality Conformance Title, and
Updated Revisions for the Marketing Drawings.
04/18/05
C
Update Absolute Maximum Ratings
Section
Corrected typo for Supply Voltage limit From:
32Vdc or +16Vdc TO: 32Vdc or ±16Vdc. Added
cerpack, cerdip, LCC package weight.
06/16/06
D
Features, Ordering Information Table, Rad Added Available with Radiation Guarantee, Low
Hard Electrical Section and Notes
Dose NSID's to table 5962R9950402VCA
LM124AJRLQMLV, 5962R9950402VDA
LM124AWRLQMLV, 5962R9950402VZA
LM124AWGRLQMLV, and reference to Note 10
and 11. Deleted code K NSID's LM124AJLQMLV
5962L9950401VCA, LM124AWGLQMLV
5962L9950401VZA, LM124AWLQMLV
5962L9950401VDA, Note 11 to Rad Hard
Electrical Heading. Note 11 to Notes.
10/07/2010
E
Data sheet title, Features, Ordering table, Update with current device information and format.
Electrical characteristic headings, Rad
Revision D will be Archived
Hard conditions
25
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LM124AQML/LM124QML
Revision History
LM124AQML/LM124QML
Physical Dimensions inches (millimeters) unless otherwise noted
SAMPLE TEXT Ceramic Dual-In-Line Package (J)
NS Package Number J14A
SAMPLE TEXT 20 Pin Leadless Chip Carrier, Type C (E)
NS Package Number E20A
www.national.com
26
LM124AQML/LM124QML
SAMPLE TEXT Ceramic Flatpak Package
NS Package Number W14B
SAMPLE TEXT 14-Pin Ceramic Package (WG)
NS Package Number WG14A
27
www.national.com
LM124AQML/LM124QML Low Power Quad Operational Amplifiers
Notes
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