LM392MX Datasheet

Low Power Operational Amplifier/Voltage Comparator


The lm392-N series consists of 2 independent building block circuits. One is a high gain, internally frequency compensated operational amplifier, and the other is a precision voltage comparator. Both the operational amplifier and the voltage comparator have been specifically designed to operate from a single power supply over a wide range of voltages. Both circuits have input stages which will common- mode input down to ground when operating from a single power supply. Operation from split power supplies is also possible and the low power supply current is independent of the magnitude of the supply voltage.
Application areas include transducer amplifier with pulse shaper, DC gain block with level detector, VCO, as well as all conventional operational amplifier or voltage comparator circuits. Both circuits can be operated directly from the standard 5 VDC power supply voltage used in digital systems, and the output of the comparator will interface directly with either TTL or CMOS logic. In addition, the low power drain makes the lm392-N extremely useful in the design of portable equipment.

Wide Power Supply Voltage Range
   – Single Supply: 3V to 32V
   – Dual Supply: ±1.5V to ±16V
Low Supply Current Drain—Essentially
   Independent of Supply Voltage: 600 μA
Low Input Biasing Current: 50 nA
Low Input Offset Voltage: 2 mV
Low Input Offset Current: 5 nA
Input Common-Mode Voltage Range Includes
Differential Input Voltage Range Equal to the
   Power Supply Voltage
   – Internally Frequency Compensated for
      Unity Gain
   – Large DC Voltage Gain: 100 dB
   – Wide Bandwidth (Unity Gain): 1 MHz
   – Large Output Voltage Swing: 0V to V+
   – Low Output Saturation Voltage: 250 mV at 4
   – Output Voltage Compatible with all Types
      of Logic Systems

Eliminates Need for Dual Power Supplies
An Internally Compensated Op Amp and a
   Precision Comparator in the Same Package
Allows Sensing at or Near Ground
Power Drain Suitable for Battery Operation
Pin-Out is the Same as Both the LM358 Dual
   Op Amp and the LM393 Dual Comparator



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Manufacturer information


Texas Instruments introduction - Texas Instruments Incorporated (TI) is a global semiconductor design and manufacturing company that develops analog ICs and embedded processors. By employing the world's brightest minds, TI creates innovations that shape the future of technology. TI is helping more than 100,000 customers transform the future, today.

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