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LM124A/LM124QML Low Power Quad Operational Amplifiers
June 2006
LM124A/LM124QML
Low Power Quad Operational Amplifiers
General Description
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 op-
erated 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.
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
n
n
n
n
Available with Radiation Guarantee
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
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
n
n
n
n
n
n
Ordering Information
NS Part Number
LM124J/883
LM124AE/883
LM124AJ/883
LM124AW/883
LM124AWG/883
LM124AJRQMLV (Note 10)
LM124AJRLQMLV (Note 11)
LM124AWGRQMLV (Note 10)
LM124AWGRLQMLV (Note 11)
LM124AWRQMLV (Note 10)
LM124AWRLQMLV (Note 11)
7704302XA
5962R9950401VCA, 100k rd(Si)
5962R9950402VCA, 100k rd(Si)
5962R9950401VZA, 100k rd(Si)
5962R9950402VZA, 100k rd(Si)
5962R9950401VDA, 100k rd(Si)
5962R9950402VDA, 100k rd(Si)
SMD Part Number
7704301CA
77043022A
7704302CA
NS Package
Number
J14A
E20A
J14A
W14B
WG14A
J14A
J14A
WG14A
WG14A
W14B
W14B
Package Description
14LD CERDIP
20LD LEADLESS CHIP
CARRIER
14LD CERDIP
14LD CERPACK
14LD CERAMIC SOIC
14LD CERDIP
14LD CERDIP
14LD CERAMIC SOIC
14LD CERAMIC SOIC
14LD CERPACK
14LD CERPACK
© 2006 National Semiconductor Corporation
DS201080
www.national.com
Analog electronics
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