LM193AH-QMLV National Semiconductor Corporation, LM193AH-QMLV Datasheet

LM193AH-QMLV

Manufacturer Part Number

LM193AH-QMLV

Description

Low Power Low Offset Voltage Dual Comparators

Manufacturer

National Semiconductor Corporation

Datasheet

1.LM193AH-QMLV.pdf (14 pages)

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LM193/LM293/LM393/LM2903

Low Power Low Offset Voltage Dual Comparators

General Description

The LM193 series consists of two independent precision

voltage comparators with an offset voltage specification as

low as 2.0 mV max for two comparators which were de-

signed 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. These comparators also have a unique characteris-

tic in that the input common-mode voltage range includes

ground, even though operated from a single power supply

voltage.

Application areas include limit comparators, simple analog to

digital converters; pulse, squarewave and time delay gen-

erators; wide range VCO; MOS clock timers; multivibrators

and high voltage digital logic gates. The LM193 series was

designed to directly interface with TTL and CMOS. When op-

erated from both plus and minus power supplies, the LM193

series will directly interface with MOS logic where their low

power drain is a distinct advantage over standard compara-

tors.

Advantages

n High precision comparators

Schematic and Connection Diagrams

DS005709

n Reduced V

n Eliminates need for dual supplies

n Allows sensing near ground

n Compatible with all forms of logic

n Power drain suitable for battery operation

Features

n Wide supply

n Very low supply current drain (0.4 mA) — independent

n Low input biasing current:

n Low input offset current:

n Maximum offset voltage:

n Input common-mode voltage range includes ground

n Differential input voltage range equal to the power

n Low output saturation voltage,:

n Output voltage compatible with TTL, DTL, ECL, MOS

— Voltage range:

— single or dual supplies:

of supply voltage

supply voltage

and CMOS logic systems

drift over temperature

DS005709-2

250 mV at 4 mA

October 1999

1.0V to

www.national.com

2.0V to 36V

25 nA

3 mV

5 nA

18V

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