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1FEATURES

2? 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

Ground

? Differential Input Voltage Range Equal to the

Power Supply Voltage

? ADDITIONAL OP AMP FEATURES

– 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+ ?

1.5V

? ADDITIONAL COMPARATOR FEATURES

– Low Output Saturation Voltage: 250 mV at 4

mA

– Output Voltage Compatible with all Types

of Logic Systems

ADVANTAGES

? 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

DESCRIPTION

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.