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124 / LM124 / LM124J / operational amplifiers
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Please note: This spec sheet covers several different parts.
Low Power Quad Operational Amplifiers
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 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 series can be directly operated 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
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
Eliminates need for dual supplies
Four internally compensated op amps in a single package
Allows directly sensing near GND and VOUT also goes to GND
Compatible with all forms of logic
Power drain suitable for battery operation
Internally frequency compensated for unity gain
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
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