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LM139AJRQML データシート(PDF) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部品番号. LM139AJRQML
部品情報  Low Power Low Offset Voltage Quad Comparators
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メーカー  NSC [National Semiconductor (TI)]
ホームページ  http://www.national.com
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LM139AJRQML Datasheet(HTML) 1 Page - National Semiconductor (TI)

 
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LM139/LM239/LM339/LM2901/LM3302
Low Power Low Offset Voltage Quad Comparators
General Description
The LM139 series 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 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 LM139 series was
designed to directly interface with TTL and CMOS. When
operated from both plus and minus power supplies, they will
directly interface with MOS logic — where the low power
drain of the LM339 is a distinct advantage over standard
comparators.
Features
n
Wide supply voltage range
n
LM139/139A Series
2 to 36 V
DC or ±1to ±18 VDC
n
LM2901:
2 to 36 V
DC or ±1to ±18 VDC
n
LM3302:
2 to 28 V
DC or ±1to ±14 VDC
n
Very low supply current drain (0.8 mA) — independent
of supply voltage
n
Low input biasing current:
25 nA
n
Low input offset current:
±5nA
n
Offset voltage:
±3mV
n
Input common-mode voltage range includes GND
n
Differential input voltage range equal to the power
supply voltage
n
Low output saturation voltage:
250 mV at 4 mA
n
Output voltage compatible with TTL, DTL, ECL, MOS
and CMOS logic systems
Advantages
n
High precision comparators
n
Reduced V
OS drift over temperature
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
One-Shot Multivibrator with Input
Lock Out
00570612
March 2004
© 2004 National Semiconductor Corporation
DS005706
www.national.com


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