JL139BCA NSC [National Semiconductor], JL139BCA Datasheet

JL139BCA

Manufacturer Part Number

JL139BCA

Description

Low Power Low Offset Voltage Quad Comparators

Manufacturer

NSC [National Semiconductor]

Datasheet

1.JL139BCA.pdf (20 pages)

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LM139JAN

Low Power Low Offset Voltage Quad Comparators

General Description

The LM139 consists of four independent precision voltage

comparators with an offset voltage specification as low as 2

mV max for all four comparators. These 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.

These comparators also have a unique characteristic 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 LM139 was de-

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

erated from both plus and minus power supplies, they will

directly interface with MOS logic — where the low power

drain of the LM139 is a distinct advantage over standard

comparators.

Ordering Information

NS Part Number

JL139BCA

JL139SCA

JL139BZA

JL139SZA

JL139BDA

JL139SDA

JM38510/11201BCA

JM38510/11201SCA

JM38510/11201BDA

JM38510/11201SDA

JM38510/11201BZA

JM38510/11201SZA

JAN Part Number

DS201295

NS Package Number

Features

n Wide supply voltage range

n Very low supply current drain (0.8 mA) — independent

n Low input biasing current:

n Low input offset current:

n Offset voltage:

n Input common-mode voltage range includes GND

n Differential input voltage range equal to the power

n Low output saturation voltage:

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

Advantages

n High precision comparators

n Reduced V

n Eliminates need for dual supplies

n Allows sensing near GND

n Compatible with all forms of logic

n Power drain suitable for battery operation

of supply voltage

supply voltage

and CMOS logic systems

18 V

WG14A

W14B

J14A

drift over temperature

Package Description

14LD CERDIP

14LD Ceramic SOIC

14LD CERPACK

5V to 36 V

250 mV at 4 mA

February 2005

www.national.com

2.5V to

25 nA

3 mV

5 nA

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