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LM124AJ-LM124AW/883
Low Power Quad Operational Amplifier
LM124A/LM124JAN
Low Power Quad Operational Amplifiers
General DescriptionThe LM124/124A consistsof four independent, high gain,
internally frequency compensated operational amplifiers
which were designed specificallyto operate froma single
power supply overa wide rangeof voltages. Operation from
split power suppliesis also possible and the low power
supply current drainis independentofthe magnitudeof the
power supply voltage.
Application areas include transducer amplifiers, DC gain
blocks andallthe conventionalop amp circuits which now
canbe more easily implementedin single power supply
systems. For example, the LM124/124A canbe directly op-
eratedoffofthe standard +5Vdc power supply voltage which usedin digital systems andwill easily providethe required
interface electronics without requiringthe additional +15Vdc
power supplies.
Unique CharacteristicsIn the linear modethe input common-mode voltage
range includes ground andthe output voltage can also
swingto ground, even though operated from onlya
single power supply voltage The unity gain cross frequencyis temperature
compensated The input bias currentis also temperature compensated
Advantages Eliminates needfor dual supplies Four internally compensatedop ampsina single
package Allows directly sensing near GND and VOUT also goes GND Compatible withall formsof logic Power drain suitablefor battery operation
Features Internally frequency compensatedfor unity gain Large DC voltage gain 100dB Wide bandwidth (unity gain)1 MHz
(temperature compensated) Wide power supply range:
Single supply 3Vto 32V dual supplies ±1.5Vto ±16V Very low supply current drain (700 µA)—essentially
independentof supply voltage Low input biasing current 45nA
(temperature compensated) Low input offset voltage2 mV
and offset current:5nA Input common-mode voltage range includes ground Differential input voltage range equalto the power
supply voltage Large output voltage swing 0VtoV+− 1.5V
Ordering Information
NSC Part Number JAN Part Number NSC Package Number Package DescriptionJL124BCA JM38510/11005BCA J14A 14LD CERDIP
JL124BDA JM38510/11005BDA W14B 14LD CERPACK
JL124BZA JM38510/11005BZA WG14A 14LD Ceramic SOIC
JL124SCA JM38510/11005SCA J14A 14LD CERDIP
JL124SDA JM38510/11005SDA W14B 14LD CERPACK
JL124ABCA JM38510/11006BCA J14A 14LD CERDIP
JL124ABDA JM38510/11006BDA W14B 14LD CERPACK
JL124ABZA JM38510/11006BZA WG14A 14LD Ceramic SOIC
JL124ASCA JM38510/11006SCA J14A 14LD CERDIP
JL124ASDA JM38510/11006SDA W14B 14LD CERPACK
JL124ASZA JM38510/11006SZA WG14A 14LD Ceramic SOIC
January 2005
LM124A/LM124JAN
Low
Power
Quad
Operational
Amplifiers
