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Part NameLM124A TI
Texas Instruments TI
LM124A Datasheet PDF : LM124A pdf   
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These devices consist of four independent high-gain frequency-compensated operational amplifiers that are designed specifically to operate from a single supply over a wide range of voltages. Operation from split supplies is also possible when the difference between the two supplies is 3 V to 30 V (for the LM2902 and LM2902Q, 3 V to 26 V) and VCC is at least 1.5 V more positive than the input common-mode voltage. The low supply current drain is independent of the magnitude of the supply voltage.
Applications include transducer amplifiers, dc amplification blocks, and all the conventional operational amplifier circuits that now can be more easily implemented in single-supply-voltage systems. For example, the LM124 can be operated directly from the standard 5-V supply that is used in digital systems and easily provides the required interface electronics without requiring additional ±15-V supplies.
The LM2902Q is manufactured to demanding automotive requirements.
The LM124 and LM124A are characterized for operation over the full military temperature range of –55°C to 125°C. The LM224 and LM224A are characterized for operation from –25°C to 85°C. The LM324 and LM324A are characterized for operation from 0°C to 70°C. The LM2902 and LM2902Q are characterized for operation from –40°C to 125°C.

● Wide Range of Supply Voltages:
   Single Supply . . . 3 V to 30 V
   (LM2902 and LM2902Q 3 V to 26 V), or Dual Supplies
● Low Supply Current Drain Independent of
   Supply Voltage . . . 0.8 mA Typ
● Common-Mode Input Voltage Range
   Includes Ground Allowing Direct Sensing
   Near Ground
● Low Input Bias and Offset Parameters:
   Input Offset Voltage . . . 3 mV Typ
   A Versions . . . 2 mV Typ
   Input Offset Current . . . 2 nA Typ
   Input Bias Current . . . 20 nA Typ
   A Versions . . . 15 nA Typ
● Differential Input Voltage Range Equal to
   Maximum-Rated Supply Voltage . . . 32 V
   (26 V for LM2902 and LM2902Q)
● Open-Loop Differential Voltage
   Amplification . . . 100 V/mV Typ
● Internal Frequency Compensation

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